21409474

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{757}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 32745600

約数和(自身を除く): 11336126

約数列:

[1, 2, 79, 158, 179, 358, 757, 1514, 14141, 28282, 59803, 119606, 135503, 271006, 10704737, 21409474]

約数ペア:

[(1, 21409474), (2, 10704737), (79, 271006), (158, 135503), (179, 119606), (358, 59803), (757, 28282), (1514, 14141)]