21402659330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4027}}^1\times {\mathrm{40883}}^1$

素因数の和:44930

約数の個数: 32

約数和(自身を含む): 41499549504

約数和(自身を除く): 20096890174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4027, 8054, 20135, 40270, 40883, 52351, 81766, 104702, 204415, 261755, 408830, 523510, 531479, 1062958, 2657395, 5314790, 164635841, 329271682, 823179205, 1646358410, 2140265933, 4280531866, 10701329665, 21402659330]

約数ペア:

[(1, 21402659330), (2, 10701329665), (5, 4280531866), (10, 2140265933), (13, 1646358410), (26, 823179205), (65, 329271682), (130, 164635841), (4027, 5314790), (8054, 2657395), (20135, 1062958), (40270, 531479), (40883, 523510), (52351, 408830), (81766, 261755), (104702, 204415)]