21491616

素因数分解:

$2^5\times 3^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 56736288

約数和(自身を除く): 35244672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 1061, 1266, 1688, 2122, 2532, 3183, 3376, 4244, 5064, 6366, 6752, 8488, 10128, 12732, 16976, 20256, 25464, 33952, 50928, 101856, 223871, 447742, 671613, 895484, 1343226, 1790968, 2686452, 3581936, 5372904, 7163872, 10745808, 21491616]

約数ペア:

[(1, 21491616), (2, 10745808), (3, 7163872), (4, 5372904), (6, 3581936), (8, 2686452), (12, 1790968), (16, 1343226), (24, 895484), (32, 671613), (48, 447742), (96, 223871), (211, 101856), (422, 50928), (633, 33952), (844, 25464), (1061, 20256), (1266, 16976), (1688, 12732), (2122, 10128), (2532, 8488), (3183, 6752), (3376, 6366), (4244, 5064)]