21002436

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2170

約数の個数: 96

約数和(自身を含む): 67047680

約数和(自身を除く): 46045244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2137, 2457, 3276, 4274, 4914, 6411, 8548, 9828, 12822, 14959, 19233, 25644, 27781, 29918, 38466, 44877, 55562, 57699, 59836, 76932, 83343, 89754, 111124, 115398, 134631, 166686, 179508, 194467, 230796, 250029, 269262, 333372, 388934, 403893, 500058, 538524, 583401, 750087, 777868, 807786, 1000116, 1166802, 1500174, 1615572, 1750203, 2333604, 3000348, 3500406, 5250609, 7000812, 10501218, 21002436]

約数ペア:

[(1, 21002436), (2, 10501218), (3, 7000812), (4, 5250609), (6, 3500406), (7, 3000348), (9, 2333604), (12, 1750203), (13, 1615572), (14, 1500174), (18, 1166802), (21, 1000116), (26, 807786), (27, 777868), (28, 750087), (36, 583401), (39, 538524), (42, 500058), (52, 403893), (54, 388934), (63, 333372), (78, 269262), (84, 250029), (91, 230796), (108, 194467), (117, 179508), (126, 166686), (156, 134631), (182, 115398), (189, 111124), (234, 89754), (252, 83343), (273, 76932), (351, 59836), (364, 57699), (378, 55562), (468, 44877), (546, 38466), (702, 29918), (756, 27781), (819, 25644), (1092, 19233), (1404, 14959), (1638, 12822), (2137, 9828), (2457, 8548), (3276, 6411), (4274, 4914)]