21621873

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79201}}^1$

素因数の和:79224

約数の個数: 16

約数和(自身を含む): 35482496

約数和(自身を除く): 13860623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79201, 237603, 554407, 1029613, 1663221, 3088839, 7207291, 21621873]

約数ペア:

[(1, 21621873), (3, 7207291), (7, 3088839), (13, 1663221), (21, 1029613), (39, 554407), (91, 237603), (273, 79201)]