21350628

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 62183352

約数和(自身を除く): 40832724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 81, 108, 111, 117, 137, 148, 156, 162, 222, 234, 274, 324, 333, 351, 411, 444, 468, 481, 548, 666, 702, 822, 962, 999, 1053, 1233, 1332, 1404, 1443, 1644, 1781, 1924, 1998, 2106, 2466, 2886, 2997, 3562, 3699, 3996, 4212, 4329, 4932, 5069, 5343, 5772, 5994, 7124, 7398, 8658, 10138, 10686, 11097, 11988, 12987, 14796, 15207, 16029, 17316, 20276, 21372, 22194, 25974, 30414, 32058, 38961, 44388, 45621, 48087, 51948, 60828, 64116, 65897, 77922, 91242, 96174, 131794, 136863, 144261, 155844, 182484, 192348, 197691, 263588, 273726, 288522, 395382, 410589, 547452, 577044, 593073, 790764, 821178, 1186146, 1642356, 1779219, 2372292, 3558438, 5337657, 7116876, 10675314, 21350628]

約数ペア:

[(1, 21350628), (2, 10675314), (3, 7116876), (4, 5337657), (6, 3558438), (9, 2372292), (12, 1779219), (13, 1642356), (18, 1186146), (26, 821178), (27, 790764), (36, 593073), (37, 577044), (39, 547452), (52, 410589), (54, 395382), (74, 288522), (78, 273726), (81, 263588), (108, 197691), (111, 192348), (117, 182484), (137, 155844), (148, 144261), (156, 136863), (162, 131794), (222, 96174), (234, 91242), (274, 77922), (324, 65897), (333, 64116), (351, 60828), (411, 51948), (444, 48087), (468, 45621), (481, 44388), (548, 38961), (666, 32058), (702, 30414), (822, 25974), (962, 22194), (999, 21372), (1053, 20276), (1233, 17316), (1332, 16029), (1404, 15207), (1443, 14796), (1644, 12987), (1781, 11988), (1924, 11097), (1998, 10686), (2106, 10138), (2466, 8658), (2886, 7398), (2997, 7124), (3562, 5994), (3699, 5772), (3996, 5343), (4212, 5069), (4329, 4932)]