21432699

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 33257952

約数和(自身を除く): 11825253

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1973, 3621, 5919, 10863, 17757, 33541, 100623, 140083, 301869, 420249, 1260747, 2381411, 7144233, 21432699]

約数ペア:

[(1, 21432699), (3, 7144233), (9, 2381411), (17, 1260747), (51, 420249), (71, 301869), (153, 140083), (213, 100623), (639, 33541), (1207, 17757), (1973, 10863), (3621, 5919)]