21333795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 39244800

約数和(自身を除く): 17911005

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1021, 1393, 2985, 3063, 4179, 5105, 6965, 7147, 15315, 20895, 21441, 35735, 107205, 203179, 609537, 1015895, 1422253, 3047685, 4266759, 7111265, 21333795]

約数ペア:

[(1, 21333795), (3, 7111265), (5, 4266759), (7, 3047685), (15, 1422253), (21, 1015895), (35, 609537), (105, 203179), (199, 107205), (597, 35735), (995, 21441), (1021, 20895), (1393, 15315), (2985, 7147), (3063, 6965), (4179, 5105)]