21430826

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2447}}^1$

素因数の和:2629

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12057814

約数列:

[1, 2, 29, 58, 151, 302, 2447, 4379, 4894, 8758, 70963, 141926, 369497, 738994, 10715413, 21430826]

約数ペア:

[(1, 21430826), (2, 10715413), (29, 738994), (58, 369497), (151, 141926), (302, 70963), (2447, 8758), (4379, 4894)]