21609180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13339}}^1$

素因数の和:13360

約数の個数: 60

約数和(自身を含む): 67793880

約数和(自身を除く): 46184700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13339, 26678, 40017, 53356, 66695, 80034, 120051, 133390, 160068, 200085, 240102, 266780, 360153, 400170, 480204, 600255, 720306, 800340, 1080459, 1200510, 1440612, 1800765, 2160918, 2401020, 3601530, 4321836, 5402295, 7203060, 10804590, 21609180]

約数ペア:

[(1, 21609180), (2, 10804590), (3, 7203060), (4, 5402295), (5, 4321836), (6, 3601530), (9, 2401020), (10, 2160918), (12, 1800765), (15, 1440612), (18, 1200510), (20, 1080459), (27, 800340), (30, 720306), (36, 600255), (45, 480204), (54, 400170), (60, 360153), (81, 266780), (90, 240102), (108, 200085), (135, 160068), (162, 133390), (180, 120051), (270, 80034), (324, 66695), (405, 53356), (540, 40017), (810, 26678), (1620, 13339)]