21348405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36493}}^1$

素因数の和:36517

約数の個数: 24

約数和(自身を含む): 39851448

約数和(自身を除く): 18503043

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36493, 109479, 182465, 328437, 474409, 547395, 1423227, 1642185, 2372045, 4269681, 7116135, 21348405]

約数ペア:

[(1, 21348405), (3, 7116135), (5, 4269681), (9, 2372045), (13, 1642185), (15, 1423227), (39, 547395), (45, 474409), (65, 328437), (117, 182465), (195, 109479), (585, 36493)]