21946900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11551}}^1$

素因数の和:11584

約数の個数: 36

約数和(自身を含む): 50135680

約数和(自身を除く): 28188780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11551, 23102, 46204, 57755, 115510, 219469, 231020, 288775, 438938, 577550, 877876, 1097345, 1155100, 2194690, 4389380, 5486725, 10973450, 21946900]

約数ペア:

[(1, 21946900), (2, 10973450), (4, 5486725), (5, 4389380), (10, 2194690), (19, 1155100), (20, 1097345), (25, 877876), (38, 577550), (50, 438938), (76, 288775), (95, 231020), (100, 219469), (190, 115510), (380, 57755), (475, 46204), (950, 23102), (1900, 11551)]