21660992

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 56

約数和(自身を含む): 46670976

約数和(自身を除く): 25009984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 136, 172, 272, 344, 463, 544, 688, 731, 926, 1088, 1376, 1462, 1852, 2752, 2924, 3704, 5848, 7408, 7871, 11696, 14816, 15742, 19909, 23392, 29632, 31484, 39818, 46784, 62968, 79636, 125936, 159272, 251872, 318544, 338453, 503744, 637088, 676906, 1274176, 1353812, 2707624, 5415248, 10830496, 21660992]

約数ペア:

[(1, 21660992), (2, 10830496), (4, 5415248), (8, 2707624), (16, 1353812), (17, 1274176), (32, 676906), (34, 637088), (43, 503744), (64, 338453), (68, 318544), (86, 251872), (136, 159272), (172, 125936), (272, 79636), (344, 62968), (463, 46784), (544, 39818), (688, 31484), (731, 29632), (926, 23392), (1088, 19909), (1376, 15742), (1462, 14816), (1852, 11696), (2752, 7871), (2924, 7408), (3704, 5848)]