21000368620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13636603}}^1$

素因数の和:13636630

約数の個数: 48

約数和(自身を含む): 54982787328

約数和(自身を除く): 33982418708

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13636603, 27273206, 54546412, 68183015, 95456221, 136366030, 150002633, 190912442, 272732060, 300005266, 381824884, 477281105, 600010532, 750013165, 954562210, 1050018431, 1500026330, 1909124420, 2100036862, 3000052660, 4200073724, 5250092155, 10500184310, 21000368620]

約数ペア:

[(1, 21000368620), (2, 10500184310), (4, 5250092155), (5, 4200073724), (7, 3000052660), (10, 2100036862), (11, 1909124420), (14, 1500026330), (20, 1050018431), (22, 954562210), (28, 750013165), (35, 600010532), (44, 477281105), (55, 381824884), (70, 300005266), (77, 272732060), (110, 190912442), (140, 150002633), (154, 136366030), (220, 95456221), (308, 68183015), (385, 54546412), (770, 27273206), (1540, 13636603)]