21975273

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{17317}}^1$

素因数の和:17373

約数の個数: 16

約数和(自身を含む): 33250560

約数和(自身を除く): 11275287

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 17317, 51951, 155853, 467559, 813899, 2441697, 7325091, 21975273]

約数ペア:

[(1, 21975273), (3, 7325091), (9, 2441697), (27, 813899), (47, 467559), (141, 155853), (423, 51951), (1269, 17317)]