21365674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23687}}^1$

素因数の和:23741

約数の個数: 16

約数和(自身を含む): 35816256

約数和(自身を除く): 14450582

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23687, 47374, 260557, 521114, 971167, 1942334, 10682837, 21365674]

約数ペア:

[(1, 21365674), (2, 10682837), (11, 1942334), (22, 971167), (41, 521114), (82, 260557), (451, 47374), (902, 23687)]