21196329

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14469591

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1031, 1869, 2937, 3093, 6853, 7217, 11341, 20559, 21651, 34023, 79387, 91759, 238161, 275277, 642313, 1009349, 1926939, 3028047, 7065443, 21196329]

約数ペア:

[(1, 21196329), (3, 7065443), (7, 3028047), (11, 1926939), (21, 1009349), (33, 642313), (77, 275277), (89, 238161), (231, 91759), (267, 79387), (623, 34023), (979, 21651), (1031, 20559), (1869, 11341), (2937, 7217), (3093, 6853)]