21724480

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2341}}^1$

素因数の和:2387

約数の個数: 56

約数和(自身を含む): 53538120

約数和(自身を除く): 31813640

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, 2320, 2341, 4640, 4682, 9280, 9364, 11705, 18728, 23410, 37456, 46820, 67889, 74912, 93640, 135778, 149824, 187280, 271556, 339445, 374560, 543112, 678890, 749120, 1086224, 1357780, 2172448, 2715560, 4344896, 5431120, 10862240, 21724480]

約数ペア:

[(1, 21724480), (2, 10862240), (4, 5431120), (5, 4344896), (8, 2715560), (10, 2172448), (16, 1357780), (20, 1086224), (29, 749120), (32, 678890), (40, 543112), (58, 374560), (64, 339445), (80, 271556), (116, 187280), (145, 149824), (160, 135778), (232, 93640), (290, 74912), (320, 67889), (464, 46820), (580, 37456), (928, 23410), (1160, 18728), (1856, 11705), (2320, 9364), (2341, 9280), (4640, 4682)]