21000814939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{3001}}^1\times {\mathrm{538303}}^1$

素因数の和:541317

約数の個数: 8

約数和(自身を含む): 22623840512

約数和(自身を除く): 1623025573

約数列:

[1, 13, 3001, 39013, 538303, 6997939, 1615447303, 21000814939]

約数ペア:

[(1, 21000814939), (13, 1615447303), (3001, 6997939), (39013, 538303)]