21999052

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{953}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 40068000

約数和(自身を除く): 18068948

約数列:

[1, 2, 4, 29, 58, 116, 199, 398, 796, 953, 1906, 3812, 5771, 11542, 23084, 27637, 55274, 110548, 189647, 379294, 758588, 5499763, 10999526, 21999052]

約数ペア:

[(1, 21999052), (2, 10999526), (4, 5499763), (29, 758588), (58, 379294), (116, 189647), (199, 110548), (398, 55274), (796, 27637), (953, 23084), (1906, 11542), (3812, 5771)]