21910458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 46794240

約数和(自身を除く): 24883782

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2698, 2707, 4047, 5414, 8094, 8121, 16242, 51433, 102866, 154299, 192197, 308598, 384394, 576591, 1153182, 3651743, 7303486, 10955229, 21910458]

約数ペア:

[(1, 21910458), (2, 10955229), (3, 7303486), (6, 3651743), (19, 1153182), (38, 576591), (57, 384394), (71, 308598), (114, 192197), (142, 154299), (213, 102866), (426, 51433), (1349, 16242), (2698, 8121), (2707, 8094), (4047, 5414)]