21854742078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{395189}}^1$

素因数の和:395916

約数の個数: 32

約数和(自身を含む): 47138263200

約数和(自身を除く): 25283521122

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 709, 1418, 2127, 4254, 9217, 18434, 27651, 55302, 395189, 790378, 1185567, 2371134, 5137457, 10274914, 15412371, 30824742, 280189001, 560378002, 840567003, 1681134006, 3642457013, 7284914026, 10927371039, 21854742078]

約数ペア:

[(1, 21854742078), (2, 10927371039), (3, 7284914026), (6, 3642457013), (13, 1681134006), (26, 840567003), (39, 560378002), (78, 280189001), (709, 30824742), (1418, 15412371), (2127, 10274914), (4254, 5137457), (9217, 2371134), (18434, 1185567), (27651, 790378), (55302, 395189)]