21557734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57641}}^1$

素因数の和:57671

約数の個数: 16

約数和(自身を含む): 37352016

約数和(自身を除く): 15794282

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 57641, 115282, 634051, 979897, 1268102, 1959794, 10778867, 21557734]

約数ペア:

[(1, 21557734), (2, 10778867), (11, 1959794), (17, 1268102), (22, 979897), (34, 634051), (187, 115282), (374, 57641)]