21773345

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 31888080

約数和(自身を除く): 10114735

約数列:

[1, 5, 11, 17, 29, 55, 73, 85, 121, 145, 187, 319, 365, 493, 605, 803, 935, 1241, 1595, 2057, 2117, 2465, 3509, 4015, 5423, 6205, 8833, 10285, 10585, 13651, 17545, 23287, 27115, 35989, 44165, 59653, 68255, 116435, 150161, 179945, 256157, 298265, 395879, 750805, 1280785, 1979395, 4354669, 21773345]

約数ペア:

[(1, 21773345), (5, 4354669), (11, 1979395), (17, 1280785), (29, 750805), (55, 395879), (73, 298265), (85, 256157), (121, 179945), (145, 150161), (187, 116435), (319, 68255), (365, 59653), (493, 44165), (605, 35989), (803, 27115), (935, 23287), (1241, 17545), (1595, 13651), (2057, 10585), (2117, 10285), (2465, 8833), (3509, 6205), (4015, 5423)]