21199606

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6491}}^1$

素因数の和:6587

約数の個数: 16

約数和(自身を含む): 33654528

約数和(自身を除く): 12454922

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6491, 12982, 149293, 298586, 460861, 921722, 10599803, 21199606]

約数ペア:

[(1, 21199606), (2, 10599803), (23, 921722), (46, 460861), (71, 298586), (142, 149293), (1633, 12982), (3266, 6491)]