21936817

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 26877312

約数和(自身を除く): 4940495

約数列:

[1, 7, 17, 83, 119, 581, 1411, 2221, 9877, 15547, 37757, 184343, 264299, 1290401, 3133831, 21936817]

約数ペア:

[(1, 21936817), (7, 3133831), (17, 1290401), (83, 264299), (119, 184343), (581, 37757), (1411, 15547), (2221, 9877)]