21504333604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1\times {\mathrm{6871}}^1$

素因数の和:7460

約数の個数: 48

約数和(自身を含む): 40919186560

約数和(自身を除く): 19414852956

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 433, 556, 866, 1732, 1807, 3614, 5629, 6871, 7228, 11258, 13742, 22516, 27484, 60187, 89323, 120374, 178646, 240748, 357292, 782431, 955069, 1564862, 1910138, 2975143, 3129724, 3820276, 5950286, 11900572, 12415897, 24831794, 38676859, 49663588, 77353718, 154707436, 413544877, 827089754, 1654179508, 5376083401, 10752166802, 21504333604]

約数ペア:

[(1, 21504333604), (2, 10752166802), (4, 5376083401), (13, 1654179508), (26, 827089754), (52, 413544877), (139, 154707436), (278, 77353718), (433, 49663588), (556, 38676859), (866, 24831794), (1732, 12415897), (1807, 11900572), (3614, 5950286), (5629, 3820276), (6871, 3129724), (7228, 2975143), (11258, 1910138), (13742, 1564862), (22516, 955069), (27484, 782431), (60187, 357292), (89323, 240748), (120374, 178646)]