21555578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{9157}}^1$

素因数の和:9277

約数の個数: 16

約数和(自身を含む): 35606304

約数和(自身を除く): 14050726

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 9157, 18314, 100727, 201454, 979799, 1959598, 10777789, 21555578]

約数ペア:

[(1, 21555578), (2, 10777789), (11, 1959598), (22, 979799), (107, 201454), (214, 100727), (1177, 18314), (2354, 9157)]