21810338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2857}}^1$

素因数の和:3217

約数の個数: 16

約数和(自身を含む): 35805024

約数和(自身を除く): 13994686

約数列:

[1, 2, 11, 22, 347, 694, 2857, 3817, 5714, 7634, 31427, 62854, 991379, 1982758, 10905169, 21810338]

約数ペア:

[(1, 21810338), (2, 10905169), (11, 1982758), (22, 991379), (347, 62854), (694, 31427), (2857, 7634), (3817, 5714)]