21943174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3881}}^1$

素因数の和:4151

約数の個数: 16

約数和(自身を含む): 36056016

約数和(自身を除く): 14112842

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3881, 5654, 7762, 42691, 85382, 997417, 1994834, 10971587, 21943174]

約数ペア:

[(1, 21943174), (2, 10971587), (11, 1994834), (22, 997417), (257, 85382), (514, 42691), (2827, 7762), (3881, 5654)]