2021020511

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{21067}}^1$

素因数の和:21230

約数の個数: 16

約数和(自身を含む): 2180285184

約数和(自身を除く): 159264673

約数列:

[1, 23, 43, 97, 989, 2231, 4171, 21067, 95933, 484541, 905881, 2043499, 20835263, 47000477, 87870457, 2021020511]

約数ペア:

[(1, 2021020511), (23, 87870457), (43, 47000477), (97, 20835263), (989, 2043499), (2231, 905881), (4171, 484541), (21067, 95933)]