21616740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40031}}^1$

素因数の和:40049

約数の個数: 48

約数和(自身を含む): 67253760

約数和(自身を除く): 45637020

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, 40031, 80062, 120093, 160124, 200155, 240186, 360279, 400310, 480372, 600465, 720558, 800620, 1080837, 1200930, 1441116, 1801395, 2161674, 2401860, 3602790, 4323348, 5404185, 7205580, 10808370, 21616740]

約数ペア:

[(1, 21616740), (2, 10808370), (3, 7205580), (4, 5404185), (5, 4323348), (6, 3602790), (9, 2401860), (10, 2161674), (12, 1801395), (15, 1441116), (18, 1200930), (20, 1080837), (27, 800620), (30, 720558), (36, 600465), (45, 480372), (54, 400310), (60, 360279), (90, 240186), (108, 200155), (135, 160124), (180, 120093), (270, 80062), (540, 40031)]