21152802787

素因数分解:

${\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1\times {\mathrm{6329}}^1$

素因数の和:7314

約数の個数: 16

約数和(自身を含む): 22032046080

約数和(自身を除く): 879243293

約数列:

[1, 31, 131, 823, 4061, 6329, 25513, 107813, 196199, 829099, 3342203, 5208767, 25702069, 161471777, 682348477, 21152802787]

約数ペア:

[(1, 21152802787), (31, 682348477), (131, 161471777), (823, 25702069), (4061, 5208767), (6329, 3342203), (25513, 829099), (107813, 196199)]