21527170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43933}}^1$

素因数の和:43954

約数の個数: 24

約数和(自身を含む): 45076284

約数和(自身を除く): 23549114

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 43933, 87866, 219665, 307531, 439330, 615062, 1537655, 2152717, 3075310, 4305434, 10763585, 21527170]

約数ペア:

[(1, 21527170), (2, 10763585), (5, 4305434), (7, 3075310), (10, 2152717), (14, 1537655), (35, 615062), (49, 439330), (70, 307531), (98, 219665), (245, 87866), (490, 43933)]