21375900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 360

約数和(自身を含む): 88223520

約数和(自身を除く): 66847620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 27, 28, 29, 30, 35, 36, 39, 42, 45, 50, 52, 54, 58, 60, 63, 65, 70, 75, 78, 81, 84, 87, 90, 91, 100, 105, 108, 116, 117, 126, 130, 135, 140, 145, 150, 156, 162, 174, 175, 180, 182, 189, 195, 203, 210, 225, 234, 252, 260, 261, 270, 273, 290, 300, 315, 324, 325, 348, 350, 351, 364, 377, 378, 390, 405, 406, 420, 435, 450, 455, 468, 522, 525, 540, 546, 567, 580, 585, 609, 630, 650, 675, 700, 702, 725, 754, 756, 780, 783, 810, 812, 819, 870, 900, 910, 945, 975, 1015, 1044, 1050, 1053, 1092, 1131, 1134, 1170, 1218, 1260, 1300, 1305, 1350, 1365, 1404, 1450, 1508, 1566, 1575, 1620, 1638, 1740, 1755, 1820, 1827, 1885, 1890, 1950, 2025, 2030, 2100, 2106, 2175, 2262, 2268, 2275, 2340, 2349, 2436, 2457, 2610, 2639, 2700, 2730, 2835, 2900, 2925, 3045, 3132, 3150, 3276, 3393, 3510, 3654, 3770, 3780, 3900, 3915, 4050, 4060, 4095, 4212, 4350, 4524, 4550, 4698, 4725, 4914, 5075, 5220, 5265, 5278, 5460, 5481, 5655, 5670, 5850, 6090, 6300, 6525, 6786, 6825, 7020, 7308, 7371, 7540, 7830, 7917, 8100, 8190, 8700, 8775, 9100, 9135, 9396, 9425, 9450, 9828, 10150, 10179, 10530, 10556, 10962, 11310, 11340, 11700, 11745, 12180, 12285, 13050, 13195, 13572, 13650, 14175, 14742, 15225, 15660, 15834, 16380, 16443, 16965, 17550, 18270, 18850, 18900, 19575, 20300, 20358, 20475, 21060, 21924, 22620, 23490, 23751, 24570, 26100, 26325, 26390, 27300, 27405, 28275, 28350, 29484, 30450, 30537, 31668, 32886, 33930, 35100, 36540, 36855, 37700, 39150, 39585, 40716, 40950, 45675, 46980, 47502, 49140, 50895, 52650, 52780, 54810, 56550, 56700, 58725, 60900, 61074, 61425, 65772, 65975, 67860, 71253, 73710, 78300, 79170, 81900, 82215, 84825, 91350, 95004, 101790, 105300, 109620, 113100, 117450, 118755, 122148, 122850, 131950, 137025, 142506, 147420, 152685, 158340, 164430, 169650, 182700, 184275, 197925, 203580, 213759, 234900, 237510, 245700, 254475, 263900, 274050, 285012, 305370, 328860, 339300, 356265, 368550, 395850, 411075, 427518, 475020, 508950, 548100, 593775, 610740, 712530, 737100, 763425, 791700, 822150, 855036, 1017900, 1068795, 1187550, 1425060, 1526850, 1644300, 1781325, 2137590, 2375100, 3053700, 3562650, 4275180, 5343975, 7125300, 10687950, 21375900]

約数ペア:

[(1, 21375900), (2, 10687950), (3, 7125300), (4, 5343975), (5, 4275180), (6, 3562650), (7, 3053700), (9, 2375100), (10, 2137590), (12, 1781325), (13, 1644300), (14, 1526850), (15, 1425060), (18, 1187550), (20, 1068795), (21, 1017900), (25, 855036), (26, 822150), (27, 791700), (28, 763425), (29, 737100), (30, 712530), (35, 610740), (36, 593775), (39, 548100), (42, 508950), (45, 475020), (50, 427518), (52, 411075), (54, 395850), (58, 368550), (60, 356265), (63, 339300), (65, 328860), (70, 305370), (75, 285012), (78, 274050), (81, 263900), (84, 254475), (87, 245700), (90, 237510), (91, 234900), (100, 213759), (105, 203580), (108, 197925), (116, 184275), (117, 182700), (126, 169650), (130, 164430), (135, 158340), (140, 152685), (145, 147420), (150, 142506), (156, 137025), (162, 131950), (174, 122850), (175, 122148), (180, 118755), (182, 117450), (189, 113100), (195, 109620), (203, 105300), (210, 101790), (225, 95004), (234, 91350), (252, 84825), (260, 82215), (261, 81900), (270, 79170), (273, 78300), (290, 73710), (300, 71253), (315, 67860), (324, 65975), (325, 65772), (348, 61425), (350, 61074), (351, 60900), (364, 58725), (377, 56700), (378, 56550), (390, 54810), (405, 52780), (406, 52650), (420, 50895), (435, 49140), (450, 47502), (455, 46980), (468, 45675), (522, 40950), (525, 40716), (540, 39585), (546, 39150), (567, 37700), (580, 36855), (585, 36540), (609, 35100), (630, 33930), (650, 32886), (675, 31668), (700, 30537), (702, 30450), (725, 29484), (754, 28350), (756, 28275), (780, 27405), (783, 27300), (810, 26390), (812, 26325), (819, 26100), (870, 24570), (900, 23751), (910, 23490), (945, 22620), (975, 21924), (1015, 21060), (1044, 20475), (1050, 20358), (1053, 20300), (1092, 19575), (1131, 18900), (1134, 18850), (1170, 18270), (1218, 17550), (1260, 16965), (1300, 16443), (1305, 16380), (1350, 15834), (1365, 15660), (1404, 15225), (1450, 14742), (1508, 14175), (1566, 13650), (1575, 13572), (1620, 13195), (1638, 13050), (1740, 12285), (1755, 12180), (1820, 11745), (1827, 11700), (1885, 11340), (1890, 11310), (1950, 10962), (2025, 10556), (2030, 10530), (2100, 10179), (2106, 10150), (2175, 9828), (2262, 9450), (2268, 9425), (2275, 9396), (2340, 9135), (2349, 9100), (2436, 8775), (2457, 8700), (2610, 8190), (2639, 8100), (2700, 7917), (2730, 7830), (2835, 7540), (2900, 7371), (2925, 7308), (3045, 7020), (3132, 6825), (3150, 6786), (3276, 6525), (3393, 6300), (3510, 6090), (3654, 5850), (3770, 5670), (3780, 5655), (3900, 5481), (3915, 5460), (4050, 5278), (4060, 5265), (4095, 5220), (4212, 5075), (4350, 4914), (4524, 4725), (4550, 4698)]