21532215

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^2$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 35115120

約数和(自身を除く): 13582905

約数列:

[1, 3, 5, 15, 89, 127, 267, 381, 445, 635, 1335, 1905, 11303, 16129, 33909, 48387, 56515, 80645, 169545, 241935, 1435481, 4306443, 7177405, 21532215]

約数ペア:

[(1, 21532215), (3, 7177405), (5, 4306443), (15, 1435481), (89, 241935), (127, 169545), (267, 80645), (381, 56515), (445, 48387), (635, 33909), (1335, 16129), (1905, 11303)]