21505017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22193}}^1$

素因数の和:22232

約数の個数: 16

約数和(自身を含む): 31959360

約数和(自身を除く): 10454343

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22193, 66579, 377281, 421667, 1131843, 1265001, 7168339, 21505017]

約数ペア:

[(1, 21505017), (3, 7168339), (17, 1265001), (19, 1131843), (51, 421667), (57, 377281), (323, 66579), (969, 22193)]