21167800525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{2819}}^1\times {\mathrm{9689}}^1$

素因数の和:12549

約数の個数: 24

約数和(自身を含む): 27107193600

約数和(自身を除く): 5939393075

約数列:

[1, 5, 25, 31, 155, 775, 2819, 9689, 14095, 48445, 70475, 87389, 242225, 300359, 436945, 1501795, 2184725, 7508975, 27313291, 136566455, 682832275, 846712021, 4233560105, 21167800525]

約数ペア:

[(1, 21167800525), (5, 4233560105), (25, 846712021), (31, 682832275), (155, 136566455), (775, 27313291), (2819, 7508975), (9689, 2184725), (14095, 1501795), (48445, 436945), (70475, 300359), (87389, 242225)]