21629270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9787}}^1$

素因数の和:9824

約数の個数: 32

約数和(自身を含む): 44398368

約数和(自身を除く): 22769098

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9787, 19574, 48935, 97870, 127231, 166379, 254462, 332758, 636155, 831895, 1272310, 1663790, 2162927, 4325854, 10814635, 21629270]

約数ペア:

[(1, 21629270), (2, 10814635), (5, 4325854), (10, 2162927), (13, 1663790), (17, 1272310), (26, 831895), (34, 636155), (65, 332758), (85, 254462), (130, 166379), (170, 127231), (221, 97870), (442, 48935), (1105, 19574), (2210, 9787)]