21646528

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 56

約数和(自身を含む): 45262800

約数和(自身を除く): 23616272

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 107, 109, 116, 214, 218, 232, 428, 436, 464, 856, 872, 928, 1712, 1744, 1856, 3103, 3161, 3424, 3488, 6206, 6322, 6848, 6976, 11663, 12412, 12644, 23326, 24824, 25288, 46652, 49648, 50576, 93304, 99296, 101152, 186608, 198592, 202304, 338227, 373216, 676454, 746432, 1352908, 2705816, 5411632, 10823264, 21646528]

約数ペア:

[(1, 21646528), (2, 10823264), (4, 5411632), (8, 2705816), (16, 1352908), (29, 746432), (32, 676454), (58, 373216), (64, 338227), (107, 202304), (109, 198592), (116, 186608), (214, 101152), (218, 99296), (232, 93304), (428, 50576), (436, 49648), (464, 46652), (856, 25288), (872, 24824), (928, 23326), (1712, 12644), (1744, 12412), (1856, 11663), (3103, 6976), (3161, 6848), (3424, 6322), (3488, 6206)]