21480660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39779}}^1$

素因数の和:39797

約数の個数: 48

約数和(自身を含む): 66830400

約数和(自身を除く): 45349740

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, 39779, 79558, 119337, 159116, 198895, 238674, 358011, 397790, 477348, 596685, 716022, 795580, 1074033, 1193370, 1432044, 1790055, 2148066, 2386740, 3580110, 4296132, 5370165, 7160220, 10740330, 21480660]

約数ペア:

[(1, 21480660), (2, 10740330), (3, 7160220), (4, 5370165), (5, 4296132), (6, 3580110), (9, 2386740), (10, 2148066), (12, 1790055), (15, 1432044), (18, 1193370), (20, 1074033), (27, 795580), (30, 716022), (36, 596685), (45, 477348), (54, 397790), (60, 358011), (90, 238674), (108, 198895), (135, 159116), (180, 119337), (270, 79558), (540, 39779)]