21696328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3037}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 22050872

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3037, 3572, 6074, 7144, 12148, 24296, 57703, 115406, 142739, 230812, 285478, 461624, 570956, 1141912, 2712041, 5424082, 10848164, 21696328]

約数ペア:

[(1, 21696328), (2, 10848164), (4, 5424082), (8, 2712041), (19, 1141912), (38, 570956), (47, 461624), (76, 285478), (94, 230812), (152, 142739), (188, 115406), (376, 57703), (893, 24296), (1786, 12148), (3037, 7144), (3572, 6074)]