21375118

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 32836320

約数和(自身を除く): 11461202

約数列:

[1, 2, 71, 109, 142, 218, 1381, 2762, 7739, 15478, 98051, 150529, 196102, 301058, 10687559, 21375118]

約数ペア:

[(1, 21375118), (2, 10687559), (71, 301058), (109, 196102), (142, 150529), (218, 98051), (1381, 15478), (2762, 7739)]