21503273

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2596

約数の個数: 12

約数和(自身を含む): 23978304

約数和(自身を除く): 2475031

約数列:

[1, 11, 71, 121, 781, 2503, 8591, 27533, 177713, 302863, 1954843, 21503273]

約数ペア:

[(1, 21503273), (11, 1954843), (71, 302863), (121, 177713), (781, 27533), (2503, 8591)]