21419263

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 22872960

約数和(自身を除く): 1453697

約数列:

[1, 37, 47, 109, 113, 1739, 4033, 4181, 5123, 5311, 12317, 189551, 196507, 455729, 578899, 21419263]

約数ペア:

[(1, 21419263), (37, 578899), (47, 455729), (109, 196507), (113, 189551), (1739, 12317), (4033, 5311), (4181, 5123)]