21781824

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2767}}^1$

素因数の和:2823

約数の個数: 56

約数和(自身を含む): 59058048

約数和(自身を除く): 37276224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2624, 2767, 3936, 5534, 7872, 8301, 11068, 16602, 22136, 33204, 44272, 66408, 88544, 113447, 132816, 177088, 226894, 265632, 340341, 453788, 531264, 680682, 907576, 1361364, 1815152, 2722728, 3630304, 5445456, 7260608, 10890912, 21781824]

約数ペア:

[(1, 21781824), (2, 10890912), (3, 7260608), (4, 5445456), (6, 3630304), (8, 2722728), (12, 1815152), (16, 1361364), (24, 907576), (32, 680682), (41, 531264), (48, 453788), (64, 340341), (82, 265632), (96, 226894), (123, 177088), (164, 132816), (192, 113447), (246, 88544), (328, 66408), (492, 44272), (656, 33204), (984, 22136), (1312, 16602), (1968, 11068), (2624, 8301), (2767, 7872), (3936, 5534)]