21451356

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6143}}^1$

素因数の和:6250

約数の個数: 36

約数和(自身を含む): 54792192

約数和(自身を除く): 33340836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6143, 12286, 18429, 24572, 36858, 55287, 73716, 110574, 221148, 595871, 1191742, 1787613, 2383484, 3575226, 5362839, 7150452, 10725678, 21451356]

約数ペア:

[(1, 21451356), (2, 10725678), (3, 7150452), (4, 5362839), (6, 3575226), (9, 2383484), (12, 1787613), (18, 1191742), (36, 595871), (97, 221148), (194, 110574), (291, 73716), (388, 55287), (582, 36858), (873, 24572), (1164, 18429), (1746, 12286), (3492, 6143)]