21435344

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1480

約数の個数: 60

約数和(自身を含む): 50889600

約数和(自身を除く): 29454256

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1439, 1862, 2128, 2878, 3724, 5756, 7448, 10073, 11512, 14896, 20146, 23024, 27341, 40292, 54682, 70511, 80584, 109364, 141022, 161168, 191387, 218728, 282044, 382774, 437456, 564088, 765548, 1128176, 1339709, 1531096, 2679418, 3062192, 5358836, 10717672, 21435344]

約数ペア:

[(1, 21435344), (2, 10717672), (4, 5358836), (7, 3062192), (8, 2679418), (14, 1531096), (16, 1339709), (19, 1128176), (28, 765548), (38, 564088), (49, 437456), (56, 382774), (76, 282044), (98, 218728), (112, 191387), (133, 161168), (152, 141022), (196, 109364), (266, 80584), (304, 70511), (392, 54682), (532, 40292), (784, 27341), (931, 23024), (1064, 20146), (1439, 14896), (1862, 11512), (2128, 10073), (2878, 7448), (3724, 5756)]