21866404

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6911}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 44126208

約数和(自身を除く): 22259804

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6911, 13822, 27644, 48377, 96754, 193508, 780943, 1561886, 3123772, 5466601, 10933202, 21866404]

約数ペア:

[(1, 21866404), (2, 10933202), (4, 5466601), (7, 3123772), (14, 1561886), (28, 780943), (113, 193508), (226, 96754), (452, 48377), (791, 27644), (1582, 13822), (3164, 6911)]