21157312

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:797

約数の個数: 56

約数和(自身を含む): 46981872

約数和(自身を除く): 25824560

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 164, 176, 328, 352, 451, 656, 704, 733, 902, 1312, 1466, 1804, 2624, 2932, 3608, 5864, 7216, 8063, 11728, 14432, 16126, 23456, 28864, 30053, 32252, 46912, 60106, 64504, 120212, 129008, 240424, 258016, 330583, 480848, 516032, 661166, 961696, 1322332, 1923392, 2644664, 5289328, 10578656, 21157312]

約数ペア:

[(1, 21157312), (2, 10578656), (4, 5289328), (8, 2644664), (11, 1923392), (16, 1322332), (22, 961696), (32, 661166), (41, 516032), (44, 480848), (64, 330583), (82, 258016), (88, 240424), (164, 129008), (176, 120212), (328, 64504), (352, 60106), (451, 46912), (656, 32252), (704, 30053), (733, 28864), (902, 23456), (1312, 16126), (1466, 14432), (1804, 11728), (2624, 8063), (2932, 7216), (3608, 5864)]