21553647

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 29663712

約数和(自身を除く): 8110065

約数列:

[1, 3, 37, 111, 277, 701, 831, 2103, 10249, 25937, 30747, 77811, 194177, 582531, 7184549, 21553647]

約数ペア:

[(1, 21553647), (3, 7184549), (37, 582531), (111, 194177), (277, 77811), (701, 30747), (831, 25937), (2103, 10249)]