21690453

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{9049}}^1$

素因数の和:9116

約数の個数: 16

約数和(自身を含む): 31276800

約数和(自身を除く): 9586347

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 9049, 27147, 153833, 425303, 461499, 1275909, 7230151, 21690453]

約数ペア:

[(1, 21690453), (3, 7230151), (17, 1275909), (47, 461499), (51, 425303), (141, 153833), (799, 27147), (2397, 9049)]