21395520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 336

約数和(自身を含む): 85587840

約数和(自身を除く): 64192320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 23, 24, 30, 32, 34, 36, 38, 40, 45, 46, 48, 51, 57, 60, 64, 68, 69, 72, 76, 80, 85, 90, 92, 95, 96, 102, 114, 115, 120, 136, 138, 144, 152, 153, 160, 170, 171, 180, 184, 190, 192, 204, 207, 228, 230, 240, 255, 272, 276, 285, 288, 304, 306, 320, 323, 340, 342, 345, 360, 368, 380, 391, 408, 414, 437, 456, 460, 480, 510, 544, 552, 570, 576, 608, 612, 646, 680, 684, 690, 720, 736, 760, 765, 782, 816, 828, 855, 874, 912, 920, 960, 969, 1020, 1035, 1088, 1104, 1140, 1173, 1216, 1224, 1292, 1311, 1360, 1368, 1380, 1440, 1472, 1520, 1530, 1564, 1615, 1632, 1656, 1710, 1748, 1824, 1840, 1938, 1955, 2040, 2070, 2185, 2208, 2280, 2346, 2448, 2584, 2622, 2720, 2736, 2760, 2880, 2907, 3040, 3060, 3128, 3230, 3264, 3312, 3420, 3496, 3519, 3648, 3680, 3876, 3910, 3933, 4080, 4140, 4370, 4416, 4560, 4692, 4845, 4896, 5168, 5244, 5440, 5472, 5520, 5814, 5865, 6080, 6120, 6256, 6460, 6555, 6624, 6840, 6992, 7038, 7360, 7429, 7752, 7820, 7866, 8160, 8280, 8740, 9120, 9384, 9690, 9792, 10336, 10488, 10944, 11040, 11628, 11730, 12240, 12512, 12920, 13110, 13248, 13680, 13984, 14076, 14535, 14858, 15504, 15640, 15732, 16320, 16560, 17480, 17595, 18240, 18768, 19380, 19665, 20672, 20976, 22080, 22287, 23256, 23460, 24480, 25024, 25840, 26220, 27360, 27968, 28152, 29070, 29716, 31008, 31280, 31464, 33120, 34960, 35190, 37145, 37536, 38760, 39330, 41952, 44574, 46512, 46920, 48960, 51680, 52440, 54720, 56304, 58140, 59432, 62016, 62560, 62928, 66240, 66861, 69920, 70380, 74290, 75072, 77520, 78660, 83904, 89148, 93024, 93840, 103360, 104880, 111435, 112608, 116280, 118864, 125120, 125856, 133722, 139840, 140760, 148580, 155040, 157320, 178296, 186048, 187680, 209760, 222870, 225216, 232560, 237728, 251712, 267444, 281520, 297160, 310080, 314640, 334305, 356592, 375360, 419520, 445740, 465120, 475456, 534888, 563040, 594320, 629280, 668610, 713184, 891480, 930240, 1069776, 1126080, 1188640, 1258560, 1337220, 1426368, 1782960, 2139552, 2377280, 2674440, 3565920, 4279104, 5348880, 7131840, 10697760, 21395520]

約数ペア:

[(1, 21395520), (2, 10697760), (3, 7131840), (4, 5348880), (5, 4279104), (6, 3565920), (8, 2674440), (9, 2377280), (10, 2139552), (12, 1782960), (15, 1426368), (16, 1337220), (17, 1258560), (18, 1188640), (19, 1126080), (20, 1069776), (23, 930240), (24, 891480), (30, 713184), (32, 668610), (34, 629280), (36, 594320), (38, 563040), (40, 534888), (45, 475456), (46, 465120), (48, 445740), (51, 419520), (57, 375360), (60, 356592), (64, 334305), (68, 314640), (69, 310080), (72, 297160), (76, 281520), (80, 267444), (85, 251712), (90, 237728), (92, 232560), (95, 225216), (96, 222870), (102, 209760), (114, 187680), (115, 186048), (120, 178296), (136, 157320), (138, 155040), (144, 148580), (152, 140760), (153, 139840), (160, 133722), (170, 125856), (171, 125120), (180, 118864), (184, 116280), (190, 112608), (192, 111435), (204, 104880), (207, 103360), (228, 93840), (230, 93024), (240, 89148), (255, 83904), (272, 78660), (276, 77520), (285, 75072), (288, 74290), (304, 70380), (306, 69920), (320, 66861), (323, 66240), (340, 62928), (342, 62560), (345, 62016), (360, 59432), (368, 58140), (380, 56304), (391, 54720), (408, 52440), (414, 51680), (437, 48960), (456, 46920), (460, 46512), (480, 44574), (510, 41952), (544, 39330), (552, 38760), (570, 37536), (576, 37145), (608, 35190), (612, 34960), (646, 33120), (680, 31464), (684, 31280), (690, 31008), (720, 29716), (736, 29070), (760, 28152), (765, 27968), (782, 27360), (816, 26220), (828, 25840), (855, 25024), (874, 24480), (912, 23460), (920, 23256), (960, 22287), (969, 22080), (1020, 20976), (1035, 20672), (1088, 19665), (1104, 19380), (1140, 18768), (1173, 18240), (1216, 17595), (1224, 17480), (1292, 16560), (1311, 16320), (1360, 15732), (1368, 15640), (1380, 15504), (1440, 14858), (1472, 14535), (1520, 14076), (1530, 13984), (1564, 13680), (1615, 13248), (1632, 13110), (1656, 12920), (1710, 12512), (1748, 12240), (1824, 11730), (1840, 11628), (1938, 11040), (1955, 10944), (2040, 10488), (2070, 10336), (2185, 9792), (2208, 9690), (2280, 9384), (2346, 9120), (2448, 8740), (2584, 8280), (2622, 8160), (2720, 7866), (2736, 7820), (2760, 7752), (2880, 7429), (2907, 7360), (3040, 7038), (3060, 6992), (3128, 6840), (3230, 6624), (3264, 6555), (3312, 6460), (3420, 6256), (3496, 6120), (3519, 6080), (3648, 5865), (3680, 5814), (3876, 5520), (3910, 5472), (3933, 5440), (4080, 5244), (4140, 5168), (4370, 4896), (4416, 4845), (4560, 4692)]