21052890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233921}}^1$

素因数の和:233934

約数の個数: 24

約数和(自身を含む): 54737748

約数和(自身を除く): 33684858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233921, 467842, 701763, 1169605, 1403526, 2105289, 2339210, 3508815, 4210578, 7017630, 10526445, 21052890]

約数ペア:

[(1, 21052890), (2, 10526445), (3, 7017630), (5, 4210578), (6, 3508815), (9, 2339210), (10, 2105289), (15, 1403526), (18, 1169605), (30, 701763), (45, 467842), (90, 233921)]