21813324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2087}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 55657728

約数和(自身を除く): 33844404

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 2087, 2613, 3484, 4174, 5226, 6261, 8348, 10452, 12522, 25044, 27131, 54262, 81393, 108524, 139829, 162786, 279658, 325572, 419487, 559316, 838974, 1677948, 1817777, 3635554, 5453331, 7271108, 10906662, 21813324]

約数ペア:

[(1, 21813324), (2, 10906662), (3, 7271108), (4, 5453331), (6, 3635554), (12, 1817777), (13, 1677948), (26, 838974), (39, 559316), (52, 419487), (67, 325572), (78, 279658), (134, 162786), (156, 139829), (201, 108524), (268, 81393), (402, 54262), (804, 27131), (871, 25044), (1742, 12522), (2087, 10452), (2613, 8348), (3484, 6261), (4174, 5226)]