21108978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{35537}}^1$

素因数の和:35559

約数の個数: 32

約数和(自身を含む): 51174720

約数和(自身を除く): 30065742

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 35537, 71074, 106611, 213222, 319833, 390907, 639666, 781814, 959499, 1172721, 1918998, 2345442, 3518163, 7036326, 10554489, 21108978]

約数ペア:

[(1, 21108978), (2, 10554489), (3, 7036326), (6, 3518163), (9, 2345442), (11, 1918998), (18, 1172721), (22, 959499), (27, 781814), (33, 639666), (54, 390907), (66, 319833), (99, 213222), (198, 106611), (297, 71074), (594, 35537)]