21240914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1667}}^1$

素因数の和:1969

約数の個数: 16

約数和(自身を含む): 33386688

約数和(自身を除く): 12145774

約数列:

[1, 2, 23, 46, 277, 554, 1667, 3334, 6371, 12742, 38341, 76682, 461759, 923518, 10620457, 21240914]

約数ペア:

[(1, 21240914), (2, 10620457), (23, 923518), (46, 461759), (277, 76682), (554, 38341), (1667, 12742), (3334, 6371)]