21003119879

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{115061}}^1$

素因数の和:115450

約数の個数: 16

約数和(自身を含む): 24356324160

約数和(自身を除く): 3353204281

約数列:

[1, 7, 89, 293, 623, 2051, 26077, 115061, 182539, 805427, 10240429, 33712873, 71683003, 235990111, 3000445697, 21003119879]

約数ペア:

[(1, 21003119879), (7, 3000445697), (89, 235990111), (293, 71683003), (623, 33712873), (2051, 10240429), (26077, 805427), (115061, 182539)]