21493800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11941}}^1$

素因数の和:11963

約数の個数: 72

約数和(自身を含む): 72189390

約数和(自身を除く): 50695590

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11941, 23882, 35823, 47764, 59705, 71646, 95528, 107469, 119410, 143292, 179115, 214938, 238820, 286584, 298525, 358230, 429876, 477640, 537345, 597050, 716460, 859752, 895575, 1074690, 1194100, 1432920, 1791150, 2149380, 2388200, 2686725, 3582300, 4298760, 5373450, 7164600, 10746900, 21493800]

約数ペア:

[(1, 21493800), (2, 10746900), (3, 7164600), (4, 5373450), (5, 4298760), (6, 3582300), (8, 2686725), (9, 2388200), (10, 2149380), (12, 1791150), (15, 1432920), (18, 1194100), (20, 1074690), (24, 895575), (25, 859752), (30, 716460), (36, 597050), (40, 537345), (45, 477640), (50, 429876), (60, 358230), (72, 298525), (75, 286584), (90, 238820), (100, 214938), (120, 179115), (150, 143292), (180, 119410), (200, 107469), (225, 95528), (300, 71646), (360, 59705), (450, 47764), (600, 35823), (900, 23882), (1800, 11941)]