21187338

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207719}}^1$

素因数の和:207741

約数の個数: 16

約数和(自身を含む): 44867520

約数和(自身を除く): 23680182

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207719, 415438, 623157, 1246314, 3531223, 7062446, 10593669, 21187338]

約数ペア:

[(1, 21187338), (2, 10593669), (3, 7062446), (6, 3531223), (17, 1246314), (34, 623157), (51, 415438), (102, 207719)]