21360309

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{773}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 29176704

約数和(自身を除く): 7816395

約数列:

[1, 3, 61, 151, 183, 453, 773, 2319, 9211, 27633, 47153, 116723, 141459, 350169, 7120103, 21360309]

約数ペア:

[(1, 21360309), (3, 7120103), (61, 350169), (151, 141459), (183, 116723), (453, 47153), (773, 27633), (2319, 9211)]