21462568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157813}}^1$

素因数の和:157836

約数の個数: 16

約数和(自身を含む): 42609780

約数和(自身を除く): 21147212

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157813, 315626, 631252, 1262504, 2682821, 5365642, 10731284, 21462568]

約数ペア:

[(1, 21462568), (2, 10731284), (4, 5365642), (8, 2682821), (17, 1262504), (34, 631252), (68, 315626), (136, 157813)]