21946360

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2417}}^1$

素因数の和:2655

約数の個数: 32

約数和(自身を含む): 49617360

約数和(自身を除く): 27671000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 2417, 4540, 4834, 9080, 9668, 12085, 19336, 24170, 48340, 96680, 548659, 1097318, 2194636, 2743295, 4389272, 5486590, 10973180, 21946360]

約数ペア:

[(1, 21946360), (2, 10973180), (4, 5486590), (5, 4389272), (8, 2743295), (10, 2194636), (20, 1097318), (40, 548659), (227, 96680), (454, 48340), (908, 24170), (1135, 19336), (1816, 12085), (2270, 9668), (2417, 9080), (4540, 4834)]