21019867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2930213

約数列:

[1, 11, 29, 131, 319, 503, 1441, 3799, 5533, 14587, 41789, 65893, 160457, 724823, 1910897, 21019867]

約数ペア:

[(1, 21019867), (11, 1910897), (29, 724823), (131, 160457), (319, 65893), (503, 41789), (1441, 14587), (3799, 5533)]