21560838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3499}}^1$

素因数の和:3596

約数の個数: 32

約数和(自身を含む): 47040000

約数和(自身を除く): 25479162

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3499, 6162, 6998, 10497, 20994, 45487, 90974, 136461, 272922, 276421, 552842, 829263, 1658526, 3593473, 7186946, 10780419, 21560838]

約数ペア:

[(1, 21560838), (2, 10780419), (3, 7186946), (6, 3593473), (13, 1658526), (26, 829263), (39, 552842), (78, 276421), (79, 272922), (158, 136461), (237, 90974), (474, 45487), (1027, 20994), (2054, 10497), (3081, 6998), (3499, 6162)]