21053835

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42533}}^1$

素因数の和:42555

約数の個数: 24

約数和(自身を含む): 39811824

約数和(自身を除く): 18757989

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42533, 127599, 212665, 382797, 467863, 637995, 1403589, 1913985, 2339315, 4210767, 7017945, 21053835]

約数ペア:

[(1, 21053835), (3, 7017945), (5, 4210767), (9, 2339315), (11, 1913985), (15, 1403589), (33, 637995), (45, 467863), (55, 382797), (99, 212665), (165, 127599), (495, 42533)]