2021948131

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{13873}}^1$

素因数の和:14370

約数の個数: 16

約数和(自身を含む): 2365461504

約数和(自身を除く): 343513373

約数列:

[1, 7, 47, 329, 443, 3101, 13873, 20821, 97111, 145747, 652031, 4564217, 6145739, 43020173, 288849733, 2021948131]

約数ペア:

[(1, 2021948131), (7, 288849733), (47, 43020173), (329, 6145739), (443, 4564217), (3101, 652031), (13873, 145747), (20821, 97111)]