21508212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 55222272

約数和(自身を除く): 33714060

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 127, 132, 254, 381, 508, 762, 1283, 1397, 1524, 2566, 2794, 3849, 4191, 5132, 5588, 7698, 8382, 14113, 15396, 16764, 28226, 42339, 56452, 84678, 162941, 169356, 325882, 488823, 651764, 977646, 1792351, 1955292, 3584702, 5377053, 7169404, 10754106, 21508212]

約数ペア:

[(1, 21508212), (2, 10754106), (3, 7169404), (4, 5377053), (6, 3584702), (11, 1955292), (12, 1792351), (22, 977646), (33, 651764), (44, 488823), (66, 325882), (127, 169356), (132, 162941), (254, 84678), (381, 56452), (508, 42339), (762, 28226), (1283, 16764), (1397, 15396), (1524, 14113), (2566, 8382), (2794, 7698), (3849, 5588), (4191, 5132)]