21689525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6067}}^1$

素因数の和:6101

約数の個数: 24

約数和(自身を含む): 31602144

約数和(自身を除く): 9912619

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 6067, 30335, 66737, 78871, 151675, 333685, 394355, 867581, 1668425, 1971775, 4337905, 21689525]

約数ペア:

[(1, 21689525), (5, 4337905), (11, 1971775), (13, 1668425), (25, 867581), (55, 394355), (65, 333685), (143, 151675), (275, 78871), (325, 66737), (715, 30335), (3575, 6067)]