21274029

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3678

約数の個数: 32

約数和(自身を含む): 37191680

約数和(自身を除く): 15917651

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3631, 5859, 10893, 25417, 32679, 76251, 98037, 112561, 228753, 337683, 686259, 787927, 1013049, 2363781, 3039147, 7091343, 21274029]

約数ペア:

[(1, 21274029), (3, 7091343), (7, 3039147), (9, 2363781), (21, 1013049), (27, 787927), (31, 686259), (63, 337683), (93, 228753), (189, 112561), (217, 98037), (279, 76251), (651, 32679), (837, 25417), (1953, 10893), (3631, 5859)]