21962512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 51871680

約数和(自身を除く): 29909168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 331, 377, 464, 572, 638, 662, 754, 1144, 1276, 1324, 1508, 2288, 2552, 2648, 3016, 3641, 4147, 4303, 5104, 5296, 6032, 7282, 8294, 8606, 9599, 14564, 16588, 17212, 19198, 29128, 33176, 34424, 38396, 47333, 58256, 66352, 68848, 76792, 94666, 105589, 124787, 153584, 189332, 211178, 249574, 378664, 422356, 499148, 757328, 844712, 998296, 1372657, 1689424, 1996592, 2745314, 5490628, 10981256, 21962512]

約数ペア:

[(1, 21962512), (2, 10981256), (4, 5490628), (8, 2745314), (11, 1996592), (13, 1689424), (16, 1372657), (22, 998296), (26, 844712), (29, 757328), (44, 499148), (52, 422356), (58, 378664), (88, 249574), (104, 211178), (116, 189332), (143, 153584), (176, 124787), (208, 105589), (232, 94666), (286, 76792), (319, 68848), (331, 66352), (377, 58256), (464, 47333), (572, 38396), (638, 34424), (662, 33176), (754, 29128), (1144, 19198), (1276, 17212), (1324, 16588), (1508, 14564), (2288, 9599), (2552, 8606), (2648, 8294), (3016, 7282), (3641, 6032), (4147, 5296), (4303, 5104)]