21795579

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1741}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 34240752

約数和(自身を除く): 12445173

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1741, 4173, 5223, 12519, 15669, 22633, 67899, 186287, 203697, 558861, 1676583, 2421731, 7265193, 21795579]

約数ペア:

[(1, 21795579), (3, 7265193), (9, 2421731), (13, 1676583), (39, 558861), (107, 203697), (117, 186287), (321, 67899), (963, 22633), (1391, 15669), (1741, 12519), (4173, 5223)]