21035494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{3109}}^1$

素因数の和:3327

約数の個数: 16

約数和(自身を含む): 33588000

約数和(自身を除く): 12552506

約数列:

[1, 2, 17, 34, 199, 398, 3109, 3383, 6218, 6766, 52853, 105706, 618691, 1237382, 10517747, 21035494]

約数ペア:

[(1, 21035494), (2, 10517747), (17, 1237382), (34, 618691), (199, 105706), (398, 52853), (3109, 6766), (3383, 6218)]