21291363931

素因数分解:

${\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{3881}}^1$

素因数の和:4542

約数の個数: 16

約数和(自身を含む): 21742243488

約数和(自身を除く): 450879557

約数列:

[1, 83, 157, 421, 3881, 13031, 34943, 66097, 322123, 609317, 1633901, 5486051, 50573311, 135613783, 256522457, 21291363931]

約数ペア:

[(1, 21291363931), (83, 256522457), (157, 135613783), (421, 50573311), (3881, 5486051), (13031, 1633901), (34943, 609317), (66097, 322123)]