21039333

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11257}}^1$

素因数の和:11356

約数の個数: 16

約数和(自身を含む): 32423040

約数和(自身を除く): 11383707

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11257, 33771, 78799, 236397, 1001873, 3005619, 7013111, 21039333]

約数ペア:

[(1, 21039333), (3, 7013111), (7, 3005619), (21, 1001873), (89, 236397), (267, 78799), (623, 33771), (1869, 11257)]