21074123

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 24959424

約数和(自身を除く): 3885301

約数列:

[1, 7, 41, 97, 287, 679, 757, 3977, 5299, 27839, 31037, 73429, 217259, 514003, 3010589, 21074123]

約数ペア:

[(1, 21074123), (7, 3010589), (41, 514003), (97, 217259), (287, 73429), (679, 31037), (757, 27839), (3977, 5299)]