21976550

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{1049}}^1$

素因数の和:1480

約数の個数: 24

約数和(自身を含む): 41013000

約数和(自身を除く): 19036450

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 1049, 2095, 2098, 4190, 5245, 10475, 10490, 20950, 26225, 52450, 439531, 879062, 2197655, 4395310, 10988275, 21976550]

約数ペア:

[(1, 21976550), (2, 10988275), (5, 4395310), (10, 2197655), (25, 879062), (50, 439531), (419, 52450), (838, 26225), (1049, 20950), (2095, 10490), (2098, 10475), (4190, 5245)]