21065313

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2677}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 29222336

約数和(自身を除く): 8157023

約数列:

[1, 3, 43, 61, 129, 183, 2623, 2677, 7869, 8031, 115111, 163297, 345333, 489891, 7021771, 21065313]

約数ペア:

[(1, 21065313), (3, 7021771), (43, 489891), (61, 345333), (129, 163297), (183, 115111), (2623, 8031), (2677, 7869)]