21083055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 38784000

約数和(自身を除く): 17700945

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1009, 1393, 2985, 3027, 4179, 5045, 6965, 7063, 15135, 20895, 21189, 35315, 105945, 200791, 602373, 1003955, 1405537, 3011865, 4216611, 7027685, 21083055]

約数ペア:

[(1, 21083055), (3, 7027685), (5, 4216611), (7, 3011865), (15, 1405537), (21, 1003955), (35, 602373), (105, 200791), (199, 105945), (597, 35315), (995, 21189), (1009, 20895), (1393, 15135), (2985, 7063), (3027, 6965), (4179, 5045)]