21577256

素因数分解:

$2^3\times {\mathrm{433}}^1\times {\mathrm{6229}}^1$

素因数の和:6668

約数の個数: 16

約数和(自身を含む): 40557300

約数和(自身を除く): 18980044

約数列:

[1, 2, 4, 8, 433, 866, 1732, 3464, 6229, 12458, 24916, 49832, 2697157, 5394314, 10788628, 21577256]

約数ペア:

[(1, 21577256), (2, 10788628), (4, 5394314), (8, 2697157), (433, 49832), (866, 24916), (1732, 12458), (3464, 6229)]