2021000890

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{305749}}^1$

素因数の和:306417

約数の個数: 16

約数和(自身を含む): 3643317000

約数和(自身を除く): 1622316110

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 305749, 611498, 1528745, 3057490, 202100089, 404200178, 1010500445, 2021000890]

約数ペア:

[(1, 2021000890), (2, 1010500445), (5, 404200178), (10, 202100089), (661, 3057490), (1322, 1528745), (3305, 611498), (6610, 305749)]