21575551

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 1538177

約数列:

[1, 37, 43, 71, 191, 1591, 2627, 3053, 7067, 8213, 13561, 112961, 303881, 501757, 583123, 21575551]

約数ペア:

[(1, 21575551), (37, 583123), (43, 501757), (71, 303881), (191, 112961), (1591, 13561), (2627, 8213), (3053, 7067)]