21704380

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2957}}^1$

素因数の和:3333

約数の個数: 24

約数和(自身を含む): 45718848

約数和(自身を除く): 24014468

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2957, 3670, 5914, 7340, 11828, 14785, 29570, 59140, 1085219, 2170438, 4340876, 5426095, 10852190, 21704380]

約数ペア:

[(1, 21704380), (2, 10852190), (4, 5426095), (5, 4340876), (10, 2170438), (20, 1085219), (367, 59140), (734, 29570), (1468, 14785), (1835, 11828), (2957, 7340), (3670, 5914)]