21618992

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{5023}}^1$

素因数の和:5300

約数の個数: 20

約数和(自身を含む): 42050880

約数和(自身を除く): 20431888

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 5023, 10046, 20092, 40184, 80368, 1351187, 2702374, 5404748, 10809496, 21618992]

約数ペア:

[(1, 21618992), (2, 10809496), (4, 5404748), (8, 2702374), (16, 1351187), (269, 80368), (538, 40184), (1076, 20092), (2152, 10046), (4304, 5023)]