2021231918

素因数分解:

$2^1\times {\mathrm{311}}^1\times {\mathrm{1289}}^1\times {\mathrm{2521}}^1$

素因数の和:4123

約数の個数: 16

約数和(自身を含む): 3045163680

約数和(自身を除く): 1023931762

約数列:

[1, 2, 311, 622, 1289, 2521, 2578, 5042, 400879, 784031, 801758, 1568062, 3249569, 6499138, 1010615959, 2021231918]

約数ペア:

[(1, 2021231918), (2, 1010615959), (311, 6499138), (622, 3249569), (1289, 1568062), (2521, 801758), (2578, 784031), (5042, 400879)]