21251436

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24943}}^1$

素因数の和:25021

約数の個数: 24

約数和(自身を含む): 50287104

約数和(自身を除く): 29035668

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24943, 49886, 74829, 99772, 149658, 299316, 1770953, 3541906, 5312859, 7083812, 10625718, 21251436]

約数ペア:

[(1, 21251436), (2, 10625718), (3, 7083812), (4, 5312859), (6, 3541906), (12, 1770953), (71, 299316), (142, 149658), (213, 99772), (284, 74829), (426, 49886), (852, 24943)]