21375236

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 38130456

約数和(自身を除く): 16755220

約数列:

[1, 2, 4, 101, 157, 202, 314, 337, 404, 628, 674, 1348, 15857, 31714, 34037, 52909, 63428, 68074, 105818, 136148, 211636, 5343809, 10687618, 21375236]

約数ペア:

[(1, 21375236), (2, 10687618), (4, 5343809), (101, 211636), (157, 136148), (202, 105818), (314, 68074), (337, 63428), (404, 52909), (628, 34037), (674, 31714), (1348, 15857)]