2021521610

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{146381}}^1$

素因数の和:147769

約数の個数: 16

約数和(自身を含む): 3641398632

約数和(自身を除く): 1619877022

約数列:

[1, 2, 5, 10, 1381, 2762, 6905, 13810, 146381, 292762, 731905, 1463810, 202152161, 404304322, 1010760805, 2021521610]

約数ペア:

[(1, 2021521610), (2, 1010760805), (5, 404304322), (10, 202152161), (1381, 1463810), (2762, 731905), (6905, 292762), (13810, 146381)]