2021706428

素因数分解:

$2^2\times 7^1\times {\mathrm{72203801}}^1$

素因数の和:72203812

約数の個数: 12

約数和(自身を含む): 4043412912

約数和(自身を除く): 2021706484

約数列:

[1, 2, 4, 7, 14, 28, 72203801, 144407602, 288815204, 505426607, 1010853214, 2021706428]

約数ペア:

[(1, 2021706428), (2, 1010853214), (4, 505426607), (7, 288815204), (14, 144407602), (28, 72203801)]