21604954

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 17249702

約数列:

[1, 2, 7, 14, 31, 62, 67, 134, 217, 434, 469, 743, 938, 1486, 2077, 4154, 5201, 10402, 14539, 23033, 29078, 46066, 49781, 99562, 161231, 322462, 348467, 696934, 1543211, 3086422, 10802477, 21604954]

約数ペア:

[(1, 21604954), (2, 10802477), (7, 3086422), (14, 1543211), (31, 696934), (62, 348467), (67, 322462), (134, 161231), (217, 99562), (434, 49781), (469, 46066), (743, 29078), (938, 23033), (1486, 14539), (2077, 10402), (4154, 5201)]