21223360

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2287}}^1$

素因数の和:2333

約数の個数: 56

約数和(自身を含む): 52303680

約数和(自身を除く): 31080320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2287, 2320, 4574, 4640, 9148, 9280, 11435, 18296, 22870, 36592, 45740, 66323, 73184, 91480, 132646, 146368, 182960, 265292, 331615, 365920, 530584, 663230, 731840, 1061168, 1326460, 2122336, 2652920, 4244672, 5305840, 10611680, 21223360]

約数ペア:

[(1, 21223360), (2, 10611680), (4, 5305840), (5, 4244672), (8, 2652920), (10, 2122336), (16, 1326460), (20, 1061168), (29, 731840), (32, 663230), (40, 530584), (58, 365920), (64, 331615), (80, 265292), (116, 182960), (145, 146368), (160, 132646), (232, 91480), (290, 73184), (320, 66323), (464, 45740), (580, 36592), (928, 22870), (1160, 18296), (1856, 11435), (2287, 9280), (2320, 9148), (4574, 4640)]