21874844

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2423}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 39976608

約数和(自身を除く): 18101764

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 2423, 4514, 4846, 9028, 9692, 89651, 147803, 179302, 295606, 358604, 591212, 5468711, 10937422, 21874844]

約数ペア:

[(1, 21874844), (2, 10937422), (4, 5468711), (37, 591212), (61, 358604), (74, 295606), (122, 179302), (148, 147803), (244, 89651), (2257, 9692), (2423, 9028), (4514, 4846)]