21497868

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1741}}^1$

素因数の和:1772

約数の個数: 72

約数和(自身を含む): 63408800

約数和(自身を除く): 41910932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1741, 1764, 2058, 3087, 3482, 4116, 5223, 6174, 6964, 10446, 12187, 12348, 15669, 20892, 24374, 31338, 36561, 48748, 62676, 73122, 85309, 109683, 146244, 170618, 219366, 255927, 341236, 438732, 511854, 597163, 767781, 1023708, 1194326, 1535562, 1791489, 2388652, 3071124, 3582978, 5374467, 7165956, 10748934, 21497868]

約数ペア:

[(1, 21497868), (2, 10748934), (3, 7165956), (4, 5374467), (6, 3582978), (7, 3071124), (9, 2388652), (12, 1791489), (14, 1535562), (18, 1194326), (21, 1023708), (28, 767781), (36, 597163), (42, 511854), (49, 438732), (63, 341236), (84, 255927), (98, 219366), (126, 170618), (147, 146244), (196, 109683), (252, 85309), (294, 73122), (343, 62676), (441, 48748), (588, 36561), (686, 31338), (882, 24374), (1029, 20892), (1372, 15669), (1741, 12348), (1764, 12187), (2058, 10446), (3087, 6964), (3482, 6174), (4116, 5223)]