21214935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67349}}^1$

素因数の和:67367

約数の個数: 24

約数和(自身を含む): 42026400

約数和(自身を除く): 20811465

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 67349, 202047, 336745, 471443, 606141, 1010235, 1414329, 2357215, 3030705, 4242987, 7071645, 21214935]

約数ペア:

[(1, 21214935), (3, 7071645), (5, 4242987), (7, 3030705), (9, 2357215), (15, 1414329), (21, 1010235), (35, 606141), (45, 471443), (63, 336745), (105, 202047), (315, 67349)]