21745696

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 49279104

約数和(自身を除く): 27533408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 386, 503, 772, 1006, 1351, 1544, 2012, 2702, 3088, 3521, 4024, 5404, 6176, 7042, 8048, 10808, 14084, 16096, 21616, 28168, 43232, 56336, 97079, 112672, 194158, 388316, 679553, 776632, 1359106, 1553264, 2718212, 3106528, 5436424, 10872848, 21745696]

約数ペア:

[(1, 21745696), (2, 10872848), (4, 5436424), (7, 3106528), (8, 2718212), (14, 1553264), (16, 1359106), (28, 776632), (32, 679553), (56, 388316), (112, 194158), (193, 112672), (224, 97079), (386, 56336), (503, 43232), (772, 28168), (1006, 21616), (1351, 16096), (1544, 14084), (2012, 10808), (2702, 8048), (3088, 7042), (3521, 6176), (4024, 5404)]