21764757545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2339}}^1\times {\mathrm{2389}}^1$

素因数の和:4793

約数の個数: 32

約数和(自身を含む): 28186704000

約数和(自身を除く): 6421946455

約数列:

[1, 5, 19, 41, 95, 205, 779, 2339, 2389, 3895, 11695, 11945, 44441, 45391, 95899, 97949, 222205, 226955, 479495, 489745, 1822081, 1861031, 5587871, 9110405, 9305155, 27939355, 106169549, 229102711, 530847745, 1145513555, 4352951509, 21764757545]

約数ペア:

[(1, 21764757545), (5, 4352951509), (19, 1145513555), (41, 530847745), (95, 229102711), (205, 106169549), (779, 27939355), (2339, 9305155), (2389, 9110405), (3895, 5587871), (11695, 1861031), (11945, 1822081), (44441, 489745), (45391, 479495), (95899, 226955), (97949, 222205)]