21557846

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{757}}^1$

素因数の和:1279

約数の個数: 16

約数和(自身を含む): 33564240

約数和(自身を除く): 12006394

約数列:

[1, 2, 29, 58, 491, 757, 982, 1514, 14239, 21953, 28478, 43906, 371687, 743374, 10778923, 21557846]

約数ペア:

[(1, 21557846), (2, 10778923), (29, 743374), (58, 371687), (491, 43906), (757, 28478), (982, 21953), (1514, 14239)]