21641151

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11579}}^1$

素因数の和:11678

約数の個数: 16

約数和(自身を含む): 33350400

約数和(自身を除く): 11709249

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11579, 34737, 81053, 243159, 1030531, 3091593, 7213717, 21641151]

約数ペア:

[(1, 21641151), (3, 7213717), (7, 3091593), (21, 1030531), (89, 243159), (267, 81053), (623, 34737), (1869, 11579)]