21306746

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16937}}^1$

素因数の和:16993

約数の個数: 16

約数和(自身を含む): 34756776

約数和(自身を除く): 13450030

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16937, 33874, 287929, 575858, 626669, 1253338, 10653373, 21306746]

約数ペア:

[(1, 21306746), (2, 10653373), (17, 1253338), (34, 626669), (37, 575858), (74, 287929), (629, 33874), (1258, 16937)]