21528888

素因数分解:

$2^3\times 3^1\times {\mathrm{401}}^1\times {\mathrm{2237}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 53980560

約数和(自身を除く): 32451672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 401, 802, 1203, 1604, 2237, 2406, 3208, 4474, 4812, 6711, 8948, 9624, 13422, 17896, 26844, 53688, 897037, 1794074, 2691111, 3588148, 5382222, 7176296, 10764444, 21528888]

約数ペア:

[(1, 21528888), (2, 10764444), (3, 7176296), (4, 5382222), (6, 3588148), (8, 2691111), (12, 1794074), (24, 897037), (401, 53688), (802, 26844), (1203, 17896), (1604, 13422), (2237, 9624), (2406, 8948), (3208, 6711), (4474, 4812)]