21465810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26501}}^1$

素因数の和:26520

約数の個数: 40

約数和(自身を含む): 57721356

約数和(自身を除く): 36255546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26501, 53002, 79503, 132505, 159006, 238509, 265010, 397515, 477018, 715527, 795030, 1192545, 1431054, 2146581, 2385090, 3577635, 4293162, 7155270, 10732905, 21465810]

約数ペア:

[(1, 21465810), (2, 10732905), (3, 7155270), (5, 4293162), (6, 3577635), (9, 2385090), (10, 2146581), (15, 1431054), (18, 1192545), (27, 795030), (30, 715527), (45, 477018), (54, 397515), (81, 265010), (90, 238509), (135, 159006), (162, 132505), (270, 79503), (405, 53002), (810, 26501)]