21423754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15901046

約数列:

[1, 2, 11, 19, 22, 38, 107, 209, 214, 418, 479, 958, 1177, 2033, 2354, 4066, 5269, 9101, 10538, 18202, 22363, 44726, 51253, 100111, 102506, 200222, 563783, 973807, 1127566, 1947614, 10711877, 21423754]

約数ペア:

[(1, 21423754), (2, 10711877), (11, 1947614), (19, 1127566), (22, 973807), (38, 563783), (107, 200222), (209, 102506), (214, 100111), (418, 51253), (479, 44726), (958, 22363), (1177, 18202), (2033, 10538), (2354, 9101), (4066, 5269)]