21000427982

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1\times {\mathrm{112339}}^1$

素因数の和:113111

約数の個数: 16

約数和(自身を含む): 31760764800

約数和(自身を除く): 10760336818

約数列:

[1, 2, 151, 302, 619, 1238, 93469, 112339, 186938, 224678, 16963189, 33926378, 69537841, 139075682, 10500213991, 21000427982]

約数ペア:

[(1, 21000427982), (2, 10500213991), (151, 139075682), (302, 69537841), (619, 33926378), (1238, 16963189), (93469, 224678), (112339, 186938)]