21963788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2459}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 27629812

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2459, 4466, 4918, 8932, 9836, 17213, 27049, 34426, 54098, 68852, 71311, 108196, 142622, 189343, 285244, 378686, 499177, 757372, 784421, 998354, 1568842, 1996708, 3137684, 5490947, 10981894, 21963788]

約数ペア:

[(1, 21963788), (2, 10981894), (4, 5490947), (7, 3137684), (11, 1996708), (14, 1568842), (22, 998354), (28, 784421), (29, 757372), (44, 499177), (58, 378686), (77, 285244), (116, 189343), (154, 142622), (203, 108196), (308, 71311), (319, 68852), (406, 54098), (638, 34426), (812, 27049), (1276, 17213), (2233, 9836), (2459, 8932), (4466, 4918)]