21209898

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{13441}}^1$

素因数の和:13709

約数の個数: 16

約数和(自身を含む): 42584256

約数和(自身を除く): 21374358

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 13441, 26882, 40323, 80646, 3534983, 7069966, 10604949, 21209898]

約数ペア:

[(1, 21209898), (2, 10604949), (3, 7069966), (6, 3534983), (263, 80646), (526, 40323), (789, 26882), (1578, 13441)]