21685166

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2371}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 34583760

約数和(自身を除く): 12898594

約数列:

[1, 2, 17, 34, 269, 538, 2371, 4573, 4742, 9146, 40307, 80614, 637799, 1275598, 10842583, 21685166]

約数ペア:

[(1, 21685166), (2, 10842583), (17, 1275598), (34, 637799), (269, 80614), (538, 40307), (2371, 9146), (4573, 4742)]