21947800239

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{15031}}^1\times {\mathrm{8539}}^1$

素因数の和:23595

約数の個数: 24

約数和(自身を含む): 33377052800

約数和(自身を除く): 11429252561

約数列:

[1, 3, 9, 19, 57, 171, 8539, 15031, 25617, 45093, 76851, 135279, 162241, 285589, 486723, 856767, 1460169, 2570301, 128349709, 385049127, 1155147381, 2438644471, 7315933413, 21947800239]

約数ペア:

[(1, 21947800239), (3, 7315933413), (9, 2438644471), (19, 1155147381), (57, 385049127), (171, 128349709), (8539, 2570301), (15031, 1460169), (25617, 856767), (45093, 486723), (76851, 285589), (135279, 162241)]