21944624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105503}}^1$

素因数の和:105524

約数の個数: 20

約数和(自身を含む): 45788736

約数和(自身を除く): 23844112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105503, 211006, 422012, 844024, 1371539, 1688048, 2743078, 5486156, 10972312, 21944624]

約数ペア:

[(1, 21944624), (2, 10972312), (4, 5486156), (8, 2743078), (13, 1688048), (16, 1371539), (26, 844024), (52, 422012), (104, 211006), (208, 105503)]