21616620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360277}}^1$

素因数の和:360289

約数の個数: 24

約数和(自身を含む): 60526704

約数和(自身を除く): 38910084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360277, 720554, 1080831, 1441108, 1801385, 2161662, 3602770, 4323324, 5404155, 7205540, 10808310, 21616620]

約数ペア:

[(1, 21616620), (2, 10808310), (3, 7205540), (4, 5404155), (5, 4323324), (6, 3602770), (10, 2161662), (12, 1801385), (15, 1441108), (20, 1080831), (30, 720554), (60, 360277)]