21419145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43271}}^1$

素因数の和:43293

約数の個数: 24

約数和(自身を含む): 40502592

約数和(自身を除く): 19083447

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43271, 129813, 216355, 389439, 475981, 649065, 1427943, 1947195, 2379905, 4283829, 7139715, 21419145]

約数ペア:

[(1, 21419145), (3, 7139715), (5, 4283829), (9, 2379905), (11, 1947195), (15, 1427943), (33, 649065), (45, 475981), (55, 389439), (99, 216355), (165, 129813), (495, 43271)]