21360801

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14581599

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1039, 1869, 2937, 3117, 6853, 7273, 11429, 20559, 21819, 34287, 80003, 92471, 240009, 277413, 647297, 1017181, 1941891, 3051543, 7120267, 21360801]

約数ペア:

[(1, 21360801), (3, 7120267), (7, 3051543), (11, 1941891), (21, 1017181), (33, 647297), (77, 277413), (89, 240009), (231, 92471), (267, 80003), (623, 34287), (979, 21819), (1039, 20559), (1869, 11429), (2937, 7273), (3117, 6853)]