21475935

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4109

約数の個数: 40

約数和(自身を含む): 41469120

約数和(自身を除く): 19993185

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 4079, 5265, 12237, 20395, 36711, 53027, 61185, 110133, 159081, 183555, 265135, 330399, 477243, 550665, 795405, 1431729, 1651995, 2386215, 4295187, 7158645, 21475935]

約数ペア:

[(1, 21475935), (3, 7158645), (5, 4295187), (9, 2386215), (13, 1651995), (15, 1431729), (27, 795405), (39, 550665), (45, 477243), (65, 330399), (81, 265135), (117, 183555), (135, 159081), (195, 110133), (351, 61185), (405, 53027), (585, 36711), (1053, 20395), (1755, 12237), (4079, 5265)]