21471351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28289}}^1$

素因数の和:28326

約数の個数: 16

約数和(自身を含む): 32590080

約数和(自身を除く): 11118729

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28289, 84867, 311179, 650647, 933537, 1951941, 7157117, 21471351]

約数ペア:

[(1, 21471351), (3, 7157117), (11, 1951941), (23, 933537), (33, 650647), (69, 311179), (253, 84867), (759, 28289)]