21355842

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209371}}^1$

素因数の和:209393

約数の個数: 16

約数和(自身を含む): 45224352

約数和(自身を除く): 23868510

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209371, 418742, 628113, 1256226, 3559307, 7118614, 10677921, 21355842]

約数ペア:

[(1, 21355842), (2, 10677921), (3, 7118614), (6, 3559307), (17, 1256226), (34, 628113), (51, 418742), (102, 209371)]