21528239

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 23750496

約数和(自身を除く): 2222257

約数列:

[1, 17, 41, 67, 461, 697, 1139, 2747, 7837, 18901, 30887, 46699, 321317, 525079, 1266367, 21528239]

約数ペア:

[(1, 21528239), (17, 1266367), (41, 525079), (67, 321317), (461, 46699), (697, 30887), (1139, 18901), (2747, 7837)]