21144900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10069}}^1$

素因数の和:10093

約数の個数: 72

約数和(自身を含む): 69926080

約数和(自身を除く): 48781180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10069, 20138, 30207, 40276, 50345, 60414, 70483, 100690, 120828, 140966, 151035, 201380, 211449, 251725, 281932, 302070, 352415, 422898, 503450, 604140, 704830, 755175, 845796, 1006900, 1057245, 1409660, 1510350, 1762075, 2114490, 3020700, 3524150, 4228980, 5286225, 7048300, 10572450, 21144900]

約数ペア:

[(1, 21144900), (2, 10572450), (3, 7048300), (4, 5286225), (5, 4228980), (6, 3524150), (7, 3020700), (10, 2114490), (12, 1762075), (14, 1510350), (15, 1409660), (20, 1057245), (21, 1006900), (25, 845796), (28, 755175), (30, 704830), (35, 604140), (42, 503450), (50, 422898), (60, 352415), (70, 302070), (75, 281932), (84, 251725), (100, 211449), (105, 201380), (140, 151035), (150, 140966), (175, 120828), (210, 100690), (300, 70483), (350, 60414), (420, 50345), (525, 40276), (700, 30207), (1050, 20138), (2100, 10069)]