21135638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1777}}^1$

素因数の和:2111

約数の個数: 16

約数和(自身を含む): 33497520

約数和(自身を除く): 12361882

約数列:

[1, 2, 19, 38, 313, 626, 1777, 3554, 5947, 11894, 33763, 67526, 556201, 1112402, 10567819, 21135638]

約数ペア:

[(1, 21135638), (2, 10567819), (19, 1112402), (38, 556201), (313, 67526), (626, 33763), (1777, 11894), (3554, 5947)]