21626374

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 40663296

約数和(自身を除く): 19036922

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 317, 443, 634, 886, 2219, 3101, 3487, 4438, 4873, 6202, 6974, 9746, 24409, 34111, 48818, 68222, 140431, 280862, 983017, 1544741, 1966034, 3089482, 10813187, 21626374]

約数ペア:

[(1, 21626374), (2, 10813187), (7, 3089482), (11, 1966034), (14, 1544741), (22, 983017), (77, 280862), (154, 140431), (317, 68222), (443, 48818), (634, 34111), (886, 24409), (2219, 9746), (3101, 6974), (3487, 6202), (4438, 4873)]