21231453

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1973}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 30131136

約数和(自身を除く): 8899683

約数列:

[1, 3, 17, 51, 211, 633, 1973, 3587, 5919, 10761, 33541, 100623, 416303, 1248909, 7077151, 21231453]

約数ペア:

[(1, 21231453), (3, 7077151), (17, 1248909), (51, 416303), (211, 100623), (633, 33541), (1973, 10761), (3587, 5919)]