21231351

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 32685120

約数和(自身を除く): 11453769

約数列:

[1, 3, 9, 17, 51, 153, 193, 579, 719, 1737, 2157, 3281, 6471, 9843, 12223, 29529, 36669, 110007, 138767, 416301, 1248903, 2359039, 7077117, 21231351]

約数ペア:

[(1, 21231351), (3, 7077117), (9, 2359039), (17, 1248903), (51, 416301), (153, 138767), (193, 110007), (579, 36669), (719, 29529), (1737, 12223), (2157, 9843), (3281, 6471)]