21006906186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11631731}}^1$

素因数の和:11631786

約数の個数: 32

約数和(自身を含む): 49132435968

約数和(自身を除く): 28125529782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11631731, 23263462, 34895193, 69790386, 81422117, 162844234, 244266351, 488532702, 500164433, 1000328866, 1500493299, 3000986598, 3501151031, 7002302062, 10503453093, 21006906186]

約数ペア:

[(1, 21006906186), (2, 10503453093), (3, 7002302062), (6, 3501151031), (7, 3000986598), (14, 1500493299), (21, 1000328866), (42, 500164433), (43, 488532702), (86, 244266351), (129, 162844234), (258, 81422117), (301, 69790386), (602, 34895193), (903, 23263462), (1806, 11631731)]