21310367740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10549687}}^1$

素因数の和:10549797

約数の個数: 24

約数和(自身を含む): 45194863392

約数和(自身を除く): 23884495652

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10549687, 21099374, 42198748, 52748435, 105496870, 210993740, 1065518387, 2131036774, 4262073548, 5327591935, 10655183870, 21310367740]

約数ペア:

[(1, 21310367740), (2, 10655183870), (4, 5327591935), (5, 4262073548), (10, 2131036774), (20, 1065518387), (101, 210993740), (202, 105496870), (404, 52748435), (505, 42198748), (1010, 21099374), (2020, 10549687)]