21446109

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 10902051

約数列:

[1, 3, 9, 29, 87, 127, 261, 381, 647, 1143, 1941, 3683, 5823, 11049, 18763, 33147, 56289, 82169, 168867, 246507, 739521, 2382901, 7148703, 21446109]

約数ペア:

[(1, 21446109), (3, 7148703), (9, 2382901), (29, 739521), (87, 246507), (127, 168867), (261, 82169), (381, 56289), (647, 33147), (1143, 18763), (1941, 11049), (3683, 5823)]