21740550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11149}}^1$

素因数の和:11177

約数の個数: 48

約数和(自身を含む): 58069200

約数和(自身を除く): 36328650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11149, 22298, 33447, 55745, 66894, 111490, 144937, 167235, 278725, 289874, 334470, 434811, 557450, 724685, 836175, 869622, 1449370, 1672350, 2174055, 3623425, 4348110, 7246850, 10870275, 21740550]

約数ペア:

[(1, 21740550), (2, 10870275), (3, 7246850), (5, 4348110), (6, 3623425), (10, 2174055), (13, 1672350), (15, 1449370), (25, 869622), (26, 836175), (30, 724685), (39, 557450), (50, 434811), (65, 334470), (75, 289874), (78, 278725), (130, 167235), (150, 144937), (195, 111490), (325, 66894), (390, 55745), (650, 33447), (975, 22298), (1950, 11149)]