21525777

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8761}}^1$

素因数の和:8790

約数の個数: 32

約数和(自身を含む): 39253760

約数和(自身を除く): 17727983

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8761, 26283, 61327, 78849, 113893, 183981, 236547, 341679, 551943, 797251, 1025037, 1655829, 2391753, 3075111, 7175259, 21525777]

約数ペア:

[(1, 21525777), (3, 7175259), (7, 3075111), (9, 2391753), (13, 1655829), (21, 1025037), (27, 797251), (39, 551943), (63, 341679), (91, 236547), (117, 183981), (189, 113893), (273, 78849), (351, 61327), (819, 26283), (2457, 8761)]