21002277

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1609}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 29624000

約数和(自身を除く): 8621723

約数列:

[1, 3, 19, 57, 229, 687, 1609, 4351, 4827, 13053, 30571, 91713, 368461, 1105383, 7000759, 21002277]

約数ペア:

[(1, 21002277), (3, 7000759), (19, 1105383), (57, 368461), (229, 91713), (687, 30571), (1609, 13053), (4351, 4827)]