21094772168

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{1571}}^1\times {\mathrm{18859}}^1$

素因数の和:20525

約数の個数: 32

約数和(自身を含む): 40024692000

約数和(自身を除く): 18929919832

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 1571, 3142, 6284, 12568, 18859, 37718, 75436, 139819, 150872, 279638, 559276, 1118552, 1678451, 3356902, 6713804, 13427608, 29627489, 59254978, 118509956, 237019912, 2636846521, 5273693042, 10547386084, 21094772168]

約数ペア:

[(1, 21094772168), (2, 10547386084), (4, 5273693042), (8, 2636846521), (89, 237019912), (178, 118509956), (356, 59254978), (712, 29627489), (1571, 13427608), (3142, 6713804), (6284, 3356902), (12568, 1678451), (18859, 1118552), (37718, 559276), (75436, 279638), (139819, 150872)]