21861612

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2309}}^1$

素因数の和:2582

約数の個数: 36

約数和(自身を含む): 55495440

約数和(自身を除く): 33633828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2309, 2367, 3156, 4618, 4734, 6927, 9236, 9468, 13854, 20781, 27708, 41562, 83124, 607267, 1214534, 1821801, 2429068, 3643602, 5465403, 7287204, 10930806, 21861612]

約数ペア:

[(1, 21861612), (2, 10930806), (3, 7287204), (4, 5465403), (6, 3643602), (9, 2429068), (12, 1821801), (18, 1214534), (36, 607267), (263, 83124), (526, 41562), (789, 27708), (1052, 20781), (1578, 13854), (2309, 9468), (2367, 9236), (3156, 6927), (4618, 4734)]