21001829

素因数分解:

${\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:149

約数の個数: 18

約数和(自身を含む): 23342130

約数和(自身を除く): 2340301

約数列:

[1, 23, 29, 37, 529, 667, 851, 1073, 1369, 15341, 19573, 24679, 31487, 39701, 567617, 724201, 913123, 21001829]

約数ペア:

[(1, 21001829), (23, 913123), (29, 724201), (37, 567617), (529, 39701), (667, 31487), (851, 24679), (1073, 19573), (1369, 15341)]