21719127

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 30018560

約数和(自身を除く): 8299433

約数列:

[1, 3, 31, 93, 409, 571, 1227, 1713, 12679, 17701, 38037, 53103, 233539, 700617, 7239709, 21719127]

約数ペア:

[(1, 21719127), (3, 7239709), (31, 700617), (93, 233539), (409, 53103), (571, 38037), (1227, 17701), (1713, 12679)]