2021208119

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{2207}}^1\times {\mathrm{3191}}^1$

素因数の和:5446

約数の個数: 16

約数和(自身を含む): 2368106496

約数和(自身を除く): 346898377

約数列:

[1, 7, 41, 287, 2207, 3191, 15449, 22337, 90487, 130831, 633409, 915817, 7042537, 49297759, 288744017, 2021208119]

約数ペア:

[(1, 2021208119), (7, 288744017), (41, 49297759), (287, 7042537), (2207, 915817), (3191, 633409), (15449, 130831), (22337, 90487)]