21440744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7109}}^1$

素因数の和:7157

約数の個数: 32

約数和(自身を含む): 44793000

約数和(自身を除く): 23352256

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 7109, 14218, 28436, 56872, 92417, 184834, 206161, 369668, 412322, 739336, 824644, 1649288, 2680093, 5360186, 10720372, 21440744]

約数ペア:

[(1, 21440744), (2, 10720372), (4, 5360186), (8, 2680093), (13, 1649288), (26, 824644), (29, 739336), (52, 412322), (58, 369668), (104, 206161), (116, 184834), (232, 92417), (377, 56872), (754, 28436), (1508, 14218), (3016, 7109)]