21079248

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10711}}^1$

素因数の和:10763

約数の個数: 40

約数和(自身を含む): 55788096

約数和(自身を除く): 34708848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10711, 21422, 32133, 42844, 64266, 85688, 128532, 171376, 257064, 439151, 514128, 878302, 1317453, 1756604, 2634906, 3513208, 5269812, 7026416, 10539624, 21079248]

約数ペア:

[(1, 21079248), (2, 10539624), (3, 7026416), (4, 5269812), (6, 3513208), (8, 2634906), (12, 1756604), (16, 1317453), (24, 878302), (41, 514128), (48, 439151), (82, 257064), (123, 171376), (164, 128532), (246, 85688), (328, 64266), (492, 42844), (656, 32133), (984, 21422), (1968, 10711)]