21452580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39727}}^1$

素因数の和:39745

約数の個数: 48

約数和(自身を含む): 66743040

約数和(自身を除く): 45290460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39727, 79454, 119181, 158908, 198635, 238362, 357543, 397270, 476724, 595905, 715086, 794540, 1072629, 1191810, 1430172, 1787715, 2145258, 2383620, 3575430, 4290516, 5363145, 7150860, 10726290, 21452580]

約数ペア:

[(1, 21452580), (2, 10726290), (3, 7150860), (4, 5363145), (5, 4290516), (6, 3575430), (9, 2383620), (10, 2145258), (12, 1787715), (15, 1430172), (18, 1191810), (20, 1072629), (27, 794540), (30, 715086), (36, 595905), (45, 476724), (54, 397270), (60, 357543), (90, 238362), (108, 198635), (135, 158908), (180, 119181), (270, 79454), (540, 39727)]