21000485067

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6750397}}^1$

素因数の和:6750478

約数の個数: 16

約数和(自身を含む): 30133776672

約数和(自身を除く): 9133291605

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6750397, 20251191, 114756749, 344270247, 411774217, 1235322651, 7000161689, 21000485067]

約数ペア:

[(1, 21000485067), (3, 7000161689), (17, 1235322651), (51, 411774217), (61, 344270247), (183, 114756749), (1037, 20251191), (3111, 6750397)]