21769449

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4261}}^1$

素因数の和:4408

約数の個数: 16

約数和(自身を含む): 31504704

約数和(自身を除く): 9735255

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4261, 5109, 12783, 55393, 166179, 558191, 1674573, 7256483, 21769449]

約数ペア:

[(1, 21769449), (3, 7256483), (13, 1674573), (39, 558191), (131, 166179), (393, 55393), (1703, 12783), (4261, 5109)]