21866104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3967}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 23131016

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3967, 5512, 7934, 15868, 31736, 51571, 103142, 206284, 210251, 412568, 420502, 841004, 1682008, 2733263, 5466526, 10933052, 21866104]

約数ペア:

[(1, 21866104), (2, 10933052), (4, 5466526), (8, 2733263), (13, 1682008), (26, 841004), (52, 420502), (53, 412568), (104, 210251), (106, 206284), (212, 103142), (424, 51571), (689, 31736), (1378, 15868), (2756, 7934), (3967, 5512)]