21083877

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{44201}}^1$

素因数の和:44260

約数の個数: 12

約数和(自身を含む): 31029804

約数和(自身を除く): 9945927

約数列:

[1, 3, 9, 53, 159, 477, 44201, 132603, 397809, 2342653, 7027959, 21083877]

約数ペア:

[(1, 21083877), (3, 7027959), (9, 2342653), (53, 397809), (159, 132603), (477, 44201)]