21789838

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50207}}^1$

素因数の和:50247

約数の個数: 16

約数和(自身を含む): 38559744

約数和(自身を除く): 16769906

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 50207, 100414, 351449, 702898, 1556417, 3112834, 10894919, 21789838]

約数ペア:

[(1, 21789838), (2, 10894919), (7, 3112834), (14, 1556417), (31, 702898), (62, 351449), (217, 100414), (434, 50207)]