21114490

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6379}}^1$

素因数の和:6717

約数の個数: 16

約数和(自身を含む): 38126880

約数和(自身を除く): 17012390

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6379, 12758, 31895, 63790, 2111449, 4222898, 10557245, 21114490]

約数ペア:

[(1, 21114490), (2, 10557245), (5, 4222898), (10, 2111449), (331, 63790), (662, 31895), (1655, 12758), (3310, 6379)]