21512258

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1333

約数の個数: 16

約数和(自身を含む): 33498360

約数和(自身を除く): 11986102

約数列:

[1, 2, 29, 58, 421, 842, 881, 1762, 12209, 24418, 25549, 51098, 370901, 741802, 10756129, 21512258]

約数ペア:

[(1, 21512258), (2, 10756129), (29, 741802), (58, 370901), (421, 51098), (842, 25549), (881, 24418), (1762, 12209)]