21289634

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 32555520

約数和(自身を除く): 11265886

約数列:

[1, 2, 71, 142, 313, 479, 626, 958, 22223, 34009, 44446, 68018, 149927, 299854, 10644817, 21289634]

約数ペア:

[(1, 21289634), (2, 10644817), (71, 299854), (142, 149927), (313, 68018), (479, 44446), (626, 34009), (958, 22223)]