21278866

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3083}}^1$

素因数の和:3138

約数の個数: 32

約数和(自身を含む): 39968640

約数和(自身を除く): 18689774

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 3083, 3451, 6166, 6902, 21581, 43162, 52411, 89407, 104822, 178814, 366877, 625849, 733754, 1251698, 1519919, 3039838, 10639433, 21278866]

約数ペア:

[(1, 21278866), (2, 10639433), (7, 3039838), (14, 1519919), (17, 1251698), (29, 733754), (34, 625849), (58, 366877), (119, 178814), (203, 104822), (238, 89407), (406, 52411), (493, 43162), (986, 21581), (3083, 6902), (3451, 6166)]