21658274

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2942

約数の個数: 24

約数和(自身を含む): 36873984

約数和(自身を除く): 15215710

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2887, 3751, 5774, 7502, 31757, 63514, 89497, 178994, 349327, 698654, 984467, 1968934, 10829137, 21658274]

約数ペア:

[(1, 21658274), (2, 10829137), (11, 1968934), (22, 984467), (31, 698654), (62, 349327), (121, 178994), (242, 89497), (341, 63514), (682, 31757), (2887, 7502), (3751, 5774)]