21282930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236477}}^1$

素因数の和:236490

約数の個数: 24

約数和(自身を含む): 55335852

約数和(自身を除く): 34052922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236477, 472954, 709431, 1182385, 1418862, 2128293, 2364770, 3547155, 4256586, 7094310, 10641465, 21282930]

約数ペア:

[(1, 21282930), (2, 10641465), (3, 7094310), (5, 4256586), (6, 3547155), (9, 2364770), (10, 2128293), (15, 1418862), (18, 1182385), (30, 709431), (45, 472954), (90, 236477)]