21557914

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{13627}}^1$

素因数の和:13749

約数の個数: 16

約数和(自身を含む): 37286208

約数和(自身を除く): 15728294

約数列:

[1, 2, 7, 14, 113, 226, 791, 1582, 13627, 27254, 95389, 190778, 1539851, 3079702, 10778957, 21557914]

約数ペア:

[(1, 21557914), (2, 10778957), (7, 3079702), (14, 1539851), (113, 190778), (226, 95389), (791, 27254), (1582, 13627)]