21618540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120103}}^1$

素因数の和:120118

約数の個数: 36

約数和(自身を含む): 65576784

約数和(自身を除く): 43958244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120103, 240206, 360309, 480412, 600515, 720618, 1080927, 1201030, 1441236, 1801545, 2161854, 2402060, 3603090, 4323708, 5404635, 7206180, 10809270, 21618540]

約数ペア:

[(1, 21618540), (2, 10809270), (3, 7206180), (4, 5404635), (5, 4323708), (6, 3603090), (9, 2402060), (10, 2161854), (12, 1801545), (15, 1441236), (18, 1201030), (20, 1080927), (30, 720618), (36, 600515), (45, 480412), (60, 360309), (90, 240206), (180, 120103)]