21164651

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 23133600

約数和(自身を除く): 1968949

約数列:

[1, 19, 41, 101, 269, 779, 1919, 4141, 5111, 11029, 27169, 78679, 209551, 516211, 1113929, 21164651]

約数ペア:

[(1, 21164651), (19, 1113929), (41, 516211), (101, 209551), (269, 78679), (779, 27169), (1919, 11029), (4141, 5111)]