21135710477

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{556159}}^1$

素因数の和:556316

約数の個数: 16

約数和(自身を含む): 24826982400

約数和(自身を除く): 3691271923

約数列:

[1, 7, 61, 89, 427, 623, 5429, 38003, 556159, 3893113, 33925699, 49498151, 237479893, 346487057, 3019387211, 21135710477]

約数ペア:

[(1, 21135710477), (7, 3019387211), (61, 346487057), (89, 237479893), (427, 49498151), (623, 33925699), (5429, 3893113), (38003, 556159)]