2021865307

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{240899}}^1$

素因数の和:241026

約数の個数: 16

約数和(自身を含む): 2543904000

約数和(自身を除く): 522038693

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 240899, 1686293, 2649889, 18549223, 26257991, 183805937, 288837901, 2021865307]

約数ペア:

[(1, 2021865307), (7, 288837901), (11, 183805937), (77, 26257991), (109, 18549223), (763, 2649889), (1199, 1686293), (8393, 240899)]