21788671

素因数分解:

${\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 1653377

約数列:

[1, 37, 41, 53, 271, 1517, 1961, 2173, 10027, 11111, 14363, 80401, 411107, 531431, 588883, 21788671]

約数ペア:

[(1, 21788671), (37, 588883), (41, 531431), (53, 411107), (271, 80401), (1517, 14363), (1961, 11111), (2173, 10027)]