21262818

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208459}}^1$

素因数の和:208481

約数の個数: 16

約数和(自身を含む): 45027360

約数和(自身を除く): 23764542

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208459, 416918, 625377, 1250754, 3543803, 7087606, 10631409, 21262818]

約数ペア:

[(1, 21262818), (2, 10631409), (3, 7087606), (6, 3543803), (17, 1250754), (34, 625377), (51, 416918), (102, 208459)]