21870634

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2293}}^1$

素因数の和:2565

約数の個数: 16

約数和(自身を含む): 34685280

約数和(自身を除く): 12814646

約数列:

[1, 2, 19, 38, 251, 502, 2293, 4586, 4769, 9538, 43567, 87134, 575543, 1151086, 10935317, 21870634]

約数ペア:

[(1, 21870634), (2, 10935317), (19, 1151086), (38, 575543), (251, 87134), (502, 43567), (2293, 9538), (4586, 4769)]