21755784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53323}}^1$

素因数の和:53349

約数の個数: 32

約数和(自身を含む): 57589920

約数和(自身を除く): 35834136

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53323, 106646, 159969, 213292, 319938, 426584, 639876, 906491, 1279752, 1812982, 2719473, 3625964, 5438946, 7251928, 10877892, 21755784]

約数ペア:

[(1, 21755784), (2, 10877892), (3, 7251928), (4, 5438946), (6, 3625964), (8, 2719473), (12, 1812982), (17, 1279752), (24, 906491), (34, 639876), (51, 426584), (68, 319938), (102, 213292), (136, 159969), (204, 106646), (408, 53323)]