21815292

素因数分解:

$2^2\times 3^1\times {\mathrm{349}}^1\times {\mathrm{5209}}^1$

素因数の和:5565

約数の個数: 24

約数和(自身を含む): 51058000

約数和(自身を除く): 29242708

約数列:

[1, 2, 3, 4, 6, 12, 349, 698, 1047, 1396, 2094, 4188, 5209, 10418, 15627, 20836, 31254, 62508, 1817941, 3635882, 5453823, 7271764, 10907646, 21815292]

約数ペア:

[(1, 21815292), (2, 10907646), (3, 7271764), (4, 5453823), (6, 3635882), (12, 1817941), (349, 62508), (698, 31254), (1047, 20836), (1396, 15627), (2094, 10418), (4188, 5209)]