21256774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1423}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 40190976

約数和(自身を除く): 18934202

約数列:

[1, 2, 7, 11, 14, 22, 77, 97, 154, 194, 679, 1067, 1358, 1423, 2134, 2846, 7469, 9961, 14938, 15653, 19922, 31306, 109571, 138031, 219142, 276062, 966217, 1518341, 1932434, 3036682, 10628387, 21256774]

約数ペア:

[(1, 21256774), (2, 10628387), (7, 3036682), (11, 1932434), (14, 1518341), (22, 966217), (77, 276062), (97, 219142), (154, 138031), (194, 109571), (679, 31306), (1067, 19922), (1358, 15653), (1423, 14938), (2134, 9961), (2846, 7469)]