21673036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6397}}^1$

素因数の和:6430

約数の個数: 36

約数和(自身を含む): 47652304

約数和(自身を除く): 25979268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6397, 12794, 25588, 44779, 70367, 89558, 140734, 179116, 281468, 492569, 774037, 985138, 1548074, 1970276, 3096148, 5418259, 10836518, 21673036]

約数ペア:

[(1, 21673036), (2, 10836518), (4, 5418259), (7, 3096148), (11, 1970276), (14, 1548074), (22, 985138), (28, 774037), (44, 492569), (77, 281468), (121, 179116), (154, 140734), (242, 89558), (308, 70367), (484, 44779), (847, 25588), (1694, 12794), (3388, 6397)]