21998054

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1824

約数の個数: 24

約数和(自身を含む): 36717120

約数和(自身を除く): 14719066

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1759, 3518, 6253, 12506, 22867, 45734, 65083, 130166, 297271, 594542, 846079, 1692158, 10999027, 21998054]

約数ペア:

[(1, 21998054), (2, 10999027), (13, 1692158), (26, 846079), (37, 594542), (74, 297271), (169, 130166), (338, 65083), (481, 45734), (962, 22867), (1759, 12506), (3518, 6253)]