21119077

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 3591323

約数列:

[1, 7, 89, 109, 311, 623, 763, 2177, 9701, 27679, 33899, 67907, 193753, 237293, 3017011, 21119077]

約数ペア:

[(1, 21119077), (7, 3017011), (89, 237293), (109, 193753), (311, 67907), (623, 33899), (763, 27679), (2177, 9701)]