21811085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1873}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 27930096

約数和(自身を除く): 6119011

約数列:

[1, 5, 17, 85, 137, 685, 1873, 2329, 9365, 11645, 31841, 159205, 256601, 1283005, 4362217, 21811085]

約数ペア:

[(1, 21811085), (5, 4362217), (17, 1283005), (85, 256601), (137, 159205), (685, 31841), (1873, 11645), (2329, 9365)]