21821363979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{670457}}^1$

素因数の和:671050

約数の個数: 16

約数和(自身を含む): 30680158080

約数和(自身を除く): 8858794101

約数列:

[1, 3, 19, 57, 571, 1713, 10849, 32547, 670457, 2011371, 12738683, 38216049, 382830947, 1148492841, 7273787993, 21821363979]

約数ペア:

[(1, 21821363979), (3, 7273787993), (19, 1148492841), (57, 382830947), (571, 38216049), (1713, 12738683), (10849, 2011371), (32547, 670457)]