21105173672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{76697}}^1$

素因数の和:76826

約数の個数: 64

約数和(自身を含む): 44730273600

約数和(自身を除く): 23625099928

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 59, 88, 106, 118, 212, 236, 424, 472, 583, 649, 1166, 1298, 2332, 2596, 3127, 4664, 5192, 6254, 12508, 25016, 34397, 68794, 76697, 137588, 153394, 275176, 306788, 613576, 843667, 1687334, 3374668, 4064941, 4525123, 6749336, 8129882, 9050246, 16259764, 18100492, 32519528, 36200984, 44714351, 49776353, 89428702, 99552706, 178857404, 199105412, 239831519, 357714808, 398210824, 479663038, 959326076, 1918652152, 2638146709, 5276293418, 10552586836, 21105173672]

約数ペア:

[(1, 21105173672), (2, 10552586836), (4, 5276293418), (8, 2638146709), (11, 1918652152), (22, 959326076), (44, 479663038), (53, 398210824), (59, 357714808), (88, 239831519), (106, 199105412), (118, 178857404), (212, 99552706), (236, 89428702), (424, 49776353), (472, 44714351), (583, 36200984), (649, 32519528), (1166, 18100492), (1298, 16259764), (2332, 9050246), (2596, 8129882), (3127, 6749336), (4664, 4525123), (5192, 4064941), (6254, 3374668), (12508, 1687334), (25016, 843667), (34397, 613576), (68794, 306788), (76697, 275176), (137588, 153394)]