21753442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13313}}^1$

素因数の和:13377

約数の個数: 16

約数和(自身を含む): 35148960

約数和(自身を除く): 13395518

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13313, 26626, 252947, 505894, 572459, 1144918, 10876721, 21753442]

約数ペア:

[(1, 21753442), (2, 10876721), (19, 1144918), (38, 572459), (43, 505894), (86, 252947), (817, 26626), (1634, 13313)]