21293334

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1571}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 26243946

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1506, 1571, 2259, 3142, 4518, 4713, 6777, 9426, 13554, 14139, 28278, 42417, 84834, 394321, 788642, 1182963, 2365926, 3548889, 7097778, 10646667, 21293334]

約数ペア:

[(1, 21293334), (2, 10646667), (3, 7097778), (6, 3548889), (9, 2365926), (18, 1182963), (27, 788642), (54, 394321), (251, 84834), (502, 42417), (753, 28278), (1506, 14139), (1571, 13554), (2259, 9426), (3142, 6777), (4518, 4713)]