21894540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364909}}^1$

素因数の和:364921

約数の個数: 24

約数和(自身を含む): 61304880

約数和(自身を除く): 39410340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364909, 729818, 1094727, 1459636, 1824545, 2189454, 3649090, 4378908, 5473635, 7298180, 10947270, 21894540]

約数ペア:

[(1, 21894540), (2, 10947270), (3, 7298180), (4, 5473635), (5, 4378908), (6, 3649090), (10, 2189454), (12, 1824545), (15, 1459636), (20, 1094727), (30, 729818), (60, 364909)]