2021020130

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{397057}}^1$

素因数の和:397573

約数の個数: 16

約数和(自身を含む): 3644992440

約数和(自身を除く): 1623972310

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 397057, 794114, 1985285, 3970570, 202102013, 404204026, 1010510065, 2021020130]

約数ペア:

[(1, 2021020130), (2, 1010510065), (5, 404204026), (10, 202102013), (509, 3970570), (1018, 1985285), (2545, 794114), (5090, 397057)]