21050783

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 2367073

約数列:

[1, 13, 47, 131, 263, 611, 1703, 3419, 6157, 12361, 34453, 80041, 160693, 447889, 1619291, 21050783]

約数ペア:

[(1, 21050783), (13, 1619291), (47, 447889), (131, 160693), (263, 80041), (611, 34453), (1703, 12361), (3419, 6157)]