21244407

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5867}}^1$

素因数の和:5958

約数の個数: 16

約数和(自身を含む): 30419712

約数和(自身を除く): 9175305

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5867, 17601, 99739, 299217, 416557, 1249671, 7081469, 21244407]

約数ペア:

[(1, 21244407), (3, 7081469), (17, 1249671), (51, 416557), (71, 299217), (213, 99739), (1207, 17601), (3621, 5867)]