21489564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{105341}}^1$

素因数の和:105365

約数の個数: 24

約数和(自身を含む): 53092368

約数和(自身を除く): 31602804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 105341, 210682, 316023, 421364, 632046, 1264092, 1790797, 3581594, 5372391, 7163188, 10744782, 21489564]

約数ペア:

[(1, 21489564), (2, 10744782), (3, 7163188), (4, 5372391), (6, 3581594), (12, 1790797), (17, 1264092), (34, 632046), (51, 421364), (68, 316023), (102, 210682), (204, 105341)]