21240064

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2906

約数の個数: 36

約数和(自身を含む): 43874460

約数和(自身を除く): 22634396

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2861, 3712, 5722, 7424, 11444, 22888, 45776, 82969, 91552, 165938, 183104, 331876, 366208, 663752, 732416, 1327504, 2655008, 5310016, 10620032, 21240064]

約数ペア:

[(1, 21240064), (2, 10620032), (4, 5310016), (8, 2655008), (16, 1327504), (29, 732416), (32, 663752), (58, 366208), (64, 331876), (116, 183104), (128, 165938), (232, 91552), (256, 82969), (464, 45776), (928, 22888), (1856, 11444), (2861, 7424), (3712, 5722)]