21768165

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2131}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 37915488

約数和(自身を除く): 16147323

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 2131, 3405, 6393, 10215, 10655, 19179, 31965, 95895, 483737, 1451211, 2418685, 4353633, 7256055, 21768165]

約数ペア:

[(1, 21768165), (3, 7256055), (5, 4353633), (9, 2418685), (15, 1451211), (45, 483737), (227, 95895), (681, 31965), (1135, 19179), (2043, 10655), (2131, 10215), (3405, 6393)]