21107762

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:542

約数の個数: 24

約数和(自身を含む): 34567236

約数和(自身を除く): 13459474

約数列:

[1, 2, 13, 26, 169, 197, 317, 338, 394, 634, 2561, 4121, 5122, 8242, 33293, 53573, 62449, 66586, 107146, 124898, 811837, 1623674, 10553881, 21107762]

約数ペア:

[(1, 21107762), (2, 10553881), (13, 1623674), (26, 811837), (169, 124898), (197, 107146), (317, 66586), (338, 62449), (394, 53573), (634, 33293), (2561, 8242), (4121, 5122)]