21621242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3701}}^1$

素因数の和:3853

約数の個数: 16

約数和(自身を含む): 34117632

約数和(自身を除く): 12496390

約数列:

[1, 2, 23, 46, 127, 254, 2921, 3701, 5842, 7402, 85123, 170246, 470027, 940054, 10810621, 21621242]

約数ペア:

[(1, 21621242), (2, 10810621), (23, 940054), (46, 470027), (127, 170246), (254, 85123), (2921, 7402), (3701, 5842)]