21743679

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 9775041

約数列:

[1, 3, 31, 37, 71, 89, 93, 111, 213, 267, 1147, 2201, 2627, 2759, 3293, 3441, 6319, 6603, 7881, 8277, 9879, 18957, 81437, 102083, 195889, 233803, 244311, 306249, 587667, 701409, 7247893, 21743679]

約数ペア:

[(1, 21743679), (3, 7247893), (31, 701409), (37, 587667), (71, 306249), (89, 244311), (93, 233803), (111, 195889), (213, 102083), (267, 81437), (1147, 18957), (2201, 9879), (2627, 8277), (2759, 7881), (3293, 6603), (3441, 6319)]