21718214

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91253}}^1$

素因数の和:91279

約数の個数: 16

約数和(自身を含む): 39421728

約数和(自身を除く): 17703514

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91253, 182506, 638771, 1277542, 1551301, 3102602, 10859107, 21718214]

約数ペア:

[(1, 21718214), (2, 10859107), (7, 3102602), (14, 1551301), (17, 1277542), (34, 638771), (119, 182506), (238, 91253)]