21509484

素因数分解:

$2^2\times 3^1\times {\mathrm{701}}^1\times {\mathrm{2557}}^1$

素因数の和:3265

約数の個数: 24

約数和(自身を含む): 50280048

約数和(自身を除く): 28770564

約数列:

[1, 2, 3, 4, 6, 12, 701, 1402, 2103, 2557, 2804, 4206, 5114, 7671, 8412, 10228, 15342, 30684, 1792457, 3584914, 5377371, 7169828, 10754742, 21509484]

約数ペア:

[(1, 21509484), (2, 10754742), (3, 7169828), (4, 5377371), (6, 3584914), (12, 1792457), (701, 30684), (1402, 15342), (2103, 10228), (2557, 8412), (2804, 7671), (4206, 5114)]