21895144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 43452000

約数和(自身を除く): 21556856

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 283, 509, 566, 1018, 1132, 2036, 2264, 4072, 5377, 9671, 10754, 19342, 21508, 38684, 43016, 77368, 144047, 288094, 576188, 1152376, 2736893, 5473786, 10947572, 21895144]

約数ペア:

[(1, 21895144), (2, 10947572), (4, 5473786), (8, 2736893), (19, 1152376), (38, 576188), (76, 288094), (152, 144047), (283, 77368), (509, 43016), (566, 38684), (1018, 21508), (1132, 19342), (2036, 10754), (2264, 9671), (4072, 5377)]