21169160

素因数分解:

$2^3\times 5^1\times {\mathrm{529229}}^1$

素因数の和:529240

約数の個数: 16

約数和(自身を含む): 47630700

約数和(自身を除く): 26461540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 529229, 1058458, 2116916, 2646145, 4233832, 5292290, 10584580, 21169160]

約数ペア:

[(1, 21169160), (2, 10584580), (4, 5292290), (5, 4233832), (8, 2646145), (10, 2116916), (20, 1058458), (40, 529229)]