21096610

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5261}}^1$

素因数の和:5669

約数の個数: 16

約数和(自身を含む): 38075832

約数和(自身を除く): 16979222

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 5261, 10522, 26305, 52610, 2109661, 4219322, 10548305, 21096610]

約数ペア:

[(1, 21096610), (2, 10548305), (5, 4219322), (10, 2109661), (401, 52610), (802, 26305), (2005, 10522), (4010, 5261)]