21736239

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 34566144

約数和(自身を除く): 12829905

約数列:

[1, 3, 7, 21, 31, 93, 173, 193, 217, 519, 579, 651, 1211, 1351, 3633, 4053, 5363, 5983, 16089, 17949, 33389, 37541, 41881, 100167, 112623, 125643, 233723, 701169, 1035059, 3105177, 7245413, 21736239]

約数ペア:

[(1, 21736239), (3, 7245413), (7, 3105177), (21, 1035059), (31, 701169), (93, 233723), (173, 125643), (193, 112623), (217, 100167), (519, 41881), (579, 37541), (651, 33389), (1211, 17949), (1351, 16089), (3633, 5983), (4053, 5363)]