21056695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2213}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 27736992

約数和(自身を除く): 6680297

約数列:

[1, 5, 11, 55, 173, 865, 1903, 2213, 9515, 11065, 24343, 121715, 382849, 1914245, 4211339, 21056695]

約数ペア:

[(1, 21056695), (5, 4211339), (11, 1914245), (55, 382849), (173, 121715), (865, 24343), (1903, 11065), (2213, 9515)]