21977571

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 15001629

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1069, 1869, 2937, 3207, 6853, 7483, 11759, 20559, 22449, 35277, 82313, 95141, 246939, 285423, 665987, 1046551, 1997961, 3139653, 7325857, 21977571]

約数ペア:

[(1, 21977571), (3, 7325857), (7, 3139653), (11, 1997961), (21, 1046551), (33, 665987), (77, 285423), (89, 246939), (231, 95141), (267, 82313), (623, 35277), (979, 22449), (1069, 20559), (1869, 11759), (2937, 7483), (3207, 6853)]