21731143

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 25433856

約数和(自身を除く): 3702713

約数列:

[1, 7, 83, 113, 331, 581, 791, 2317, 9379, 27473, 37403, 65653, 192311, 261821, 3104449, 21731143]

約数ペア:

[(1, 21731143), (7, 3104449), (83, 261821), (113, 192311), (331, 65653), (581, 37403), (791, 27473), (2317, 9379)]