21127125

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14725419

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 159, 265, 375, 795, 1063, 1325, 3189, 3975, 5315, 6625, 15945, 19875, 26575, 56339, 79725, 132875, 169017, 281695, 398625, 845085, 1408475, 4225425, 7042375, 21127125]

約数ペア:

[(1, 21127125), (3, 7042375), (5, 4225425), (15, 1408475), (25, 845085), (53, 398625), (75, 281695), (125, 169017), (159, 132875), (265, 79725), (375, 56339), (795, 26575), (1063, 19875), (1325, 15945), (3189, 6625), (3975, 5315)]