21875004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31981}}^1$

素因数の和:32010

約数の個数: 36

約数和(自身を含む): 58207240

約数和(自身を除く): 36332236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31981, 63962, 95943, 127924, 191886, 287829, 383772, 575658, 607639, 1151316, 1215278, 1822917, 2430556, 3645834, 5468751, 7291668, 10937502, 21875004]

約数ペア:

[(1, 21875004), (2, 10937502), (3, 7291668), (4, 5468751), (6, 3645834), (9, 2430556), (12, 1822917), (18, 1215278), (19, 1151316), (36, 607639), (38, 575658), (57, 383772), (76, 287829), (114, 191886), (171, 127924), (228, 95943), (342, 63962), (684, 31981)]