21131848101

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2371}}^1\times {\mathrm{32647}}^1$

素因数の和:35041

約数の個数: 32

約数和(自身を含む): 34693593088

約数和(自身を除く): 13561744987

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2371, 7113, 16597, 30823, 32647, 49791, 92469, 97941, 215761, 228529, 424411, 647283, 685587, 1273233, 2970877, 8912631, 77406037, 232218111, 541842259, 1006278481, 1625526777, 3018835443, 7043949367, 21131848101]

約数ペア:

[(1, 21131848101), (3, 7043949367), (7, 3018835443), (13, 1625526777), (21, 1006278481), (39, 541842259), (91, 232218111), (273, 77406037), (2371, 8912631), (7113, 2970877), (16597, 1273233), (30823, 685587), (32647, 647283), (49791, 424411), (92469, 228529), (97941, 215761)]