21297156

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26489}}^1$

素因数の和:26563

約数の個数: 24

約数和(自身を含む): 50436960

約数和(自身を除く): 29139804

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26489, 52978, 79467, 105956, 158934, 317868, 1774763, 3549526, 5324289, 7099052, 10648578, 21297156]

約数ペア:

[(1, 21297156), (2, 10648578), (3, 7099052), (4, 5324289), (6, 3549526), (12, 1774763), (67, 317868), (134, 158934), (201, 105956), (268, 79467), (402, 52978), (804, 26489)]