21110126

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 32147280

約数和(自身を除く): 11037154

約数列:

[1, 2, 131, 197, 262, 394, 409, 818, 25807, 51614, 53579, 80573, 107158, 161146, 10555063, 21110126]

約数ペア:

[(1, 21110126), (2, 10555063), (131, 161146), (197, 107158), (262, 80573), (394, 53579), (409, 51614), (818, 25807)]