21306088

素因数分解:

$2^3\times {\mathrm{1237}}^1\times {\mathrm{2153}}^1$

素因数の和:3396

約数の個数: 16

約数和(自身を含む): 39999780

約数和(自身を除く): 18693692

約数列:

[1, 2, 4, 8, 1237, 2153, 2474, 4306, 4948, 8612, 9896, 17224, 2663261, 5326522, 10653044, 21306088]

約数ペア:

[(1, 21306088), (2, 10653044), (4, 5326522), (8, 2663261), (1237, 17224), (2153, 9896), (2474, 8612), (4306, 4948)]