21976920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 384

約数和(自身を含む): 94348800

約数和(自身を除く): 72371880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 24, 27, 28, 30, 34, 35, 36, 38, 40, 42, 45, 51, 54, 56, 57, 60, 63, 68, 70, 72, 76, 81, 84, 85, 90, 95, 102, 105, 108, 114, 119, 120, 126, 133, 135, 136, 140, 152, 153, 162, 168, 170, 171, 180, 189, 190, 204, 210, 216, 228, 238, 243, 252, 255, 266, 270, 280, 285, 306, 315, 323, 324, 340, 342, 357, 360, 378, 380, 399, 405, 408, 420, 456, 459, 476, 486, 504, 510, 513, 532, 540, 567, 570, 595, 612, 630, 646, 648, 665, 680, 684, 714, 756, 760, 765, 798, 810, 840, 855, 918, 945, 952, 969, 972, 1020, 1026, 1064, 1071, 1080, 1134, 1140, 1190, 1197, 1215, 1224, 1260, 1292, 1330, 1368, 1377, 1428, 1512, 1530, 1539, 1596, 1615, 1620, 1701, 1710, 1785, 1836, 1890, 1938, 1944, 1995, 2040, 2052, 2142, 2261, 2268, 2280, 2295, 2380, 2394, 2430, 2520, 2565, 2584, 2660, 2754, 2835, 2856, 2907, 3060, 3078, 3192, 3213, 3230, 3240, 3402, 3420, 3570, 3591, 3672, 3780, 3876, 3990, 4104, 4131, 4284, 4522, 4536, 4590, 4617, 4760, 4788, 4845, 4860, 5130, 5320, 5355, 5508, 5670, 5814, 5985, 6120, 6156, 6426, 6460, 6783, 6804, 6840, 6885, 7140, 7182, 7560, 7695, 7752, 7980, 8262, 8505, 8568, 8721, 9044, 9180, 9234, 9576, 9639, 9690, 9720, 10260, 10710, 10773, 11016, 11305, 11340, 11628, 11970, 12312, 12852, 12920, 13566, 13608, 13770, 14280, 14364, 14535, 15390, 15960, 16065, 16524, 17010, 17442, 17955, 18088, 18360, 18468, 19278, 19380, 20349, 20520, 20655, 21420, 21546, 22610, 22680, 23085, 23256, 23940, 25704, 26163, 27132, 27540, 28728, 28917, 29070, 30780, 32130, 32319, 33048, 33915, 34020, 34884, 35910, 36936, 38556, 38760, 40698, 41310, 42840, 43092, 43605, 45220, 46170, 47880, 48195, 52326, 53865, 54264, 55080, 57834, 58140, 61047, 61560, 64260, 64638, 67830, 68040, 69768, 71820, 77112, 78489, 81396, 82620, 86184, 87210, 90440, 92340, 96390, 101745, 104652, 107730, 115668, 116280, 122094, 128520, 129276, 130815, 135660, 143640, 144585, 156978, 161595, 162792, 165240, 174420, 183141, 184680, 192780, 203490, 209304, 215460, 231336, 244188, 258552, 261630, 271320, 289170, 305235, 313956, 323190, 348840, 366282, 385560, 392445, 406980, 430920, 488376, 523260, 549423, 578340, 610470, 627912, 646380, 732564, 784890, 813960, 915705, 1046520, 1098846, 1156680, 1220940, 1292760, 1465128, 1569780, 1831410, 2197692, 2441880, 2747115, 3139560, 3662820, 4395384, 5494230, 7325640, 10988460, 21976920]

約数ペア:

[(1, 21976920), (2, 10988460), (3, 7325640), (4, 5494230), (5, 4395384), (6, 3662820), (7, 3139560), (8, 2747115), (9, 2441880), (10, 2197692), (12, 1831410), (14, 1569780), (15, 1465128), (17, 1292760), (18, 1220940), (19, 1156680), (20, 1098846), (21, 1046520), (24, 915705), (27, 813960), (28, 784890), (30, 732564), (34, 646380), (35, 627912), (36, 610470), (38, 578340), (40, 549423), (42, 523260), (45, 488376), (51, 430920), (54, 406980), (56, 392445), (57, 385560), (60, 366282), (63, 348840), (68, 323190), (70, 313956), (72, 305235), (76, 289170), (81, 271320), (84, 261630), (85, 258552), (90, 244188), (95, 231336), (102, 215460), (105, 209304), (108, 203490), (114, 192780), (119, 184680), (120, 183141), (126, 174420), (133, 165240), (135, 162792), (136, 161595), (140, 156978), (152, 144585), (153, 143640), (162, 135660), (168, 130815), (170, 129276), (171, 128520), (180, 122094), (189, 116280), (190, 115668), (204, 107730), (210, 104652), (216, 101745), (228, 96390), (238, 92340), (243, 90440), (252, 87210), (255, 86184), (266, 82620), (270, 81396), (280, 78489), (285, 77112), (306, 71820), (315, 69768), (323, 68040), (324, 67830), (340, 64638), (342, 64260), (357, 61560), (360, 61047), (378, 58140), (380, 57834), (399, 55080), (405, 54264), (408, 53865), (420, 52326), (456, 48195), (459, 47880), (476, 46170), (486, 45220), (504, 43605), (510, 43092), (513, 42840), (532, 41310), (540, 40698), (567, 38760), (570, 38556), (595, 36936), (612, 35910), (630, 34884), (646, 34020), (648, 33915), (665, 33048), (680, 32319), (684, 32130), (714, 30780), (756, 29070), (760, 28917), (765, 28728), (798, 27540), (810, 27132), (840, 26163), (855, 25704), (918, 23940), (945, 23256), (952, 23085), (969, 22680), (972, 22610), (1020, 21546), (1026, 21420), (1064, 20655), (1071, 20520), (1080, 20349), (1134, 19380), (1140, 19278), (1190, 18468), (1197, 18360), (1215, 18088), (1224, 17955), (1260, 17442), (1292, 17010), (1330, 16524), (1368, 16065), (1377, 15960), (1428, 15390), (1512, 14535), (1530, 14364), (1539, 14280), (1596, 13770), (1615, 13608), (1620, 13566), (1701, 12920), (1710, 12852), (1785, 12312), (1836, 11970), (1890, 11628), (1938, 11340), (1944, 11305), (1995, 11016), (2040, 10773), (2052, 10710), (2142, 10260), (2261, 9720), (2268, 9690), (2280, 9639), (2295, 9576), (2380, 9234), (2394, 9180), (2430, 9044), (2520, 8721), (2565, 8568), (2584, 8505), (2660, 8262), (2754, 7980), (2835, 7752), (2856, 7695), (2907, 7560), (3060, 7182), (3078, 7140), (3192, 6885), (3213, 6840), (3230, 6804), (3240, 6783), (3402, 6460), (3420, 6426), (3570, 6156), (3591, 6120), (3672, 5985), (3780, 5814), (3876, 5670), (3990, 5508), (4104, 5355), (4131, 5320), (4284, 5130), (4522, 4860), (4536, 4845), (4590, 4788), (4617, 4760)]