21313150

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1063}}^1$

素因数の和:1476

約数の個数: 24

約数和(自身を含む): 39778704

約数和(自身を除く): 18465554

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1063, 2005, 2126, 4010, 5315, 10025, 10630, 20050, 26575, 53150, 426263, 852526, 2131315, 4262630, 10656575, 21313150]

約数ペア:

[(1, 21313150), (2, 10656575), (5, 4262630), (10, 2131315), (25, 852526), (50, 426263), (401, 53150), (802, 26575), (1063, 20050), (2005, 10630), (2126, 10025), (4010, 5315)]