21145272

素因数分解:

$2^3\times 3^1\times {\mathrm{571}}^1\times {\mathrm{1543}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 52990080

約数和(自身を除く): 31844808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 571, 1142, 1543, 1713, 2284, 3086, 3426, 4568, 4629, 6172, 6852, 9258, 12344, 13704, 18516, 37032, 881053, 1762106, 2643159, 3524212, 5286318, 7048424, 10572636, 21145272]

約数ペア:

[(1, 21145272), (2, 10572636), (3, 7048424), (4, 5286318), (6, 3524212), (8, 2643159), (12, 1762106), (24, 881053), (571, 37032), (1142, 18516), (1543, 13704), (1713, 12344), (2284, 9258), (3086, 6852), (3426, 6172), (4568, 4629)]