21660180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361003}}^1$

素因数の和:361015

約数の個数: 24

約数和(自身を含む): 60648672

約数和(自身を除く): 38988492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361003, 722006, 1083009, 1444012, 1805015, 2166018, 3610030, 4332036, 5415045, 7220060, 10830090, 21660180]

約数ペア:

[(1, 21660180), (2, 10830090), (3, 7220060), (4, 5415045), (5, 4332036), (6, 3610030), (10, 2166018), (12, 1805015), (15, 1444012), (20, 1083009), (30, 722006), (60, 361003)]