21958445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2524

約数の個数: 16

約数和(自身を含む): 27855360

約数和(自身を除く): 5896915

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2417, 9085, 12085, 55591, 190943, 277955, 954715, 4391689, 21958445]

約数ペア:

[(1, 21958445), (5, 4391689), (23, 954715), (79, 277955), (115, 190943), (395, 55591), (1817, 12085), (2417, 9085)]