21658252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3701}}^1$

素因数の和:3742

約数の個数: 48

約数和(自身を含む): 49754880

約数和(自身を除く): 28096628

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3701, 5852, 7402, 14804, 25907, 40711, 51814, 70319, 81422, 103628, 140638, 162844, 281276, 284977, 492233, 569954, 773509, 984466, 1139908, 1547018, 1968932, 3094036, 5414563, 10829126, 21658252]

約数ペア:

[(1, 21658252), (2, 10829126), (4, 5414563), (7, 3094036), (11, 1968932), (14, 1547018), (19, 1139908), (22, 984466), (28, 773509), (38, 569954), (44, 492233), (76, 284977), (77, 281276), (133, 162844), (154, 140638), (209, 103628), (266, 81422), (308, 70319), (418, 51814), (532, 40711), (836, 25907), (1463, 14804), (2926, 7402), (3701, 5852)]