21134100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5419}}^1$

素因数の和:5449

約数の個数: 72

約数和(自身を含む): 65863840

約数和(自身を除く): 44729740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5419, 10838, 16257, 21676, 27095, 32514, 54190, 65028, 70447, 81285, 108380, 135475, 140894, 162570, 211341, 270950, 281788, 325140, 352235, 406425, 422682, 541900, 704470, 812850, 845364, 1056705, 1408940, 1625700, 1761175, 2113410, 3522350, 4226820, 5283525, 7044700, 10567050, 21134100]

約数ペア:

[(1, 21134100), (2, 10567050), (3, 7044700), (4, 5283525), (5, 4226820), (6, 3522350), (10, 2113410), (12, 1761175), (13, 1625700), (15, 1408940), (20, 1056705), (25, 845364), (26, 812850), (30, 704470), (39, 541900), (50, 422682), (52, 406425), (60, 352235), (65, 325140), (75, 281788), (78, 270950), (100, 211341), (130, 162570), (150, 140894), (156, 135475), (195, 108380), (260, 81285), (300, 70447), (325, 65028), (390, 54190), (650, 32514), (780, 27095), (975, 21676), (1300, 16257), (1950, 10838), (3900, 5419)]