21861135

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2909}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 38132640

約数和(自身を除く): 16271505

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 2909, 7515, 8727, 14545, 26181, 43635, 130905, 485803, 1457409, 2429015, 4372227, 7287045, 21861135]

約数ペア:

[(1, 21861135), (3, 7287045), (5, 4372227), (9, 2429015), (15, 1457409), (45, 485803), (167, 130905), (501, 43635), (835, 26181), (1503, 14545), (2505, 8727), (2909, 7515)]