21283794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5495

約数の個数: 48

約数和(自身を含む): 54412800

約数和(自身を除く): 33129006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5449, 10898, 16347, 32694, 38143, 49041, 76286, 98082, 114429, 168919, 228858, 337838, 343287, 506757, 686574, 1013514, 1182433, 1520271, 2364866, 3040542, 3547299, 7094598, 10641897, 21283794]

約数ペア:

[(1, 21283794), (2, 10641897), (3, 7094598), (6, 3547299), (7, 3040542), (9, 2364866), (14, 1520271), (18, 1182433), (21, 1013514), (31, 686574), (42, 506757), (62, 343287), (63, 337838), (93, 228858), (126, 168919), (186, 114429), (217, 98082), (279, 76286), (434, 49041), (558, 38143), (651, 32694), (1302, 16347), (1953, 10898), (3906, 5449)]