21111178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 37387008

約数和(自身を除く): 16275830

約数列:

[1, 2, 11, 17, 22, 34, 47, 94, 187, 374, 517, 799, 1034, 1201, 1598, 2402, 8789, 13211, 17578, 20417, 26422, 40834, 56447, 112894, 224587, 449174, 620917, 959599, 1241834, 1919198, 10555589, 21111178]

約数ペア:

[(1, 21111178), (2, 10555589), (11, 1919198), (17, 1241834), (22, 959599), (34, 620917), (47, 449174), (94, 224587), (187, 112894), (374, 56447), (517, 40834), (799, 26422), (1034, 20417), (1201, 17578), (1598, 13211), (2402, 8789)]