21377343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4001}}^1$

素因数の和:4154

約数の個数: 16

約数和(自身を含む): 30927456

約数和(自身を除く): 9550113

約数列:

[1, 3, 13, 39, 137, 411, 1781, 4001, 5343, 12003, 52013, 156039, 548137, 1644411, 7125781, 21377343]

約数ペア:

[(1, 21377343), (3, 7125781), (13, 1644411), (39, 548137), (137, 156039), (411, 52013), (1781, 12003), (4001, 5343)]