21491476

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2957}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 18264044

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 2957, 3634, 5914, 7268, 11828, 68011, 136022, 233603, 272044, 467206, 934412, 5372869, 10745738, 21491476]

約数ペア:

[(1, 21491476), (2, 10745738), (4, 5372869), (23, 934412), (46, 467206), (79, 272044), (92, 233603), (158, 136022), (316, 68011), (1817, 11828), (2957, 7268), (3634, 5914)]