21221083

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 24415776

約数和(自身を除く): 3194693

約数列:

[1, 13, 17, 131, 221, 733, 1703, 2227, 9529, 12461, 28951, 96023, 161993, 1248299, 1632391, 21221083]

約数ペア:

[(1, 21221083), (13, 1632391), (17, 1248299), (131, 161993), (221, 96023), (733, 28951), (1703, 12461), (2227, 9529)]