21859604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2579}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 41465760

約数和(自身を除く): 19606156

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2579, 4238, 5158, 8476, 10316, 33527, 67054, 134108, 420377, 840754, 1681508, 5464901, 10929802, 21859604]

約数ペア:

[(1, 21859604), (2, 10929802), (4, 5464901), (13, 1681508), (26, 840754), (52, 420377), (163, 134108), (326, 67054), (652, 33527), (2119, 10316), (2579, 8476), (4238, 5158)]