21032450

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1049}}^1$

素因数の和:1462

約数の個数: 24

約数和(自身を含む): 39255300

約数和(自身を除く): 18222850

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1049, 2005, 2098, 4010, 5245, 10025, 10490, 20050, 26225, 52450, 420649, 841298, 2103245, 4206490, 10516225, 21032450]

約数ペア:

[(1, 21032450), (2, 10516225), (5, 4206490), (10, 2103245), (25, 841298), (50, 420649), (401, 52450), (802, 26225), (1049, 20050), (2005, 10490), (2098, 10025), (4010, 5245)]