21059048

素因数分解:

$2^3\times {\mathrm{971}}^1\times {\mathrm{2711}}^1$

素因数の和:3688

約数の個数: 16

約数和(自身を含む): 39540960

約数和(自身を除く): 18481912

約数列:

[1, 2, 4, 8, 971, 1942, 2711, 3884, 5422, 7768, 10844, 21688, 2632381, 5264762, 10529524, 21059048]

約数ペア:

[(1, 21059048), (2, 10529524), (4, 5264762), (8, 2632381), (971, 21688), (1942, 10844), (2711, 7768), (3884, 5422)]