21658052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{416501}}^1$

素因数の和:416518

約数の個数: 12

約数和(自身を含む): 40817196

約数和(自身を除く): 19159144

約数列:

[1, 2, 4, 13, 26, 52, 416501, 833002, 1666004, 5414513, 10829026, 21658052]

約数ペア:

[(1, 21658052), (2, 10829026), (4, 5414513), (13, 1666004), (26, 833002), (52, 416501)]