21060928

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:959

約数の個数: 56

約数和(自身を含む): 48719232

約数和(自身を除く): 27658304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 848, 887, 1484, 1696, 1774, 2968, 3392, 3548, 5936, 6209, 7096, 11872, 12418, 14192, 23744, 24836, 28384, 47011, 49672, 56768, 94022, 99344, 188044, 198688, 329077, 376088, 397376, 658154, 752176, 1316308, 1504352, 2632616, 3008704, 5265232, 10530464, 21060928]

約数ペア:

[(1, 21060928), (2, 10530464), (4, 5265232), (7, 3008704), (8, 2632616), (14, 1504352), (16, 1316308), (28, 752176), (32, 658154), (53, 397376), (56, 376088), (64, 329077), (106, 198688), (112, 188044), (212, 99344), (224, 94022), (371, 56768), (424, 49672), (448, 47011), (742, 28384), (848, 24836), (887, 23744), (1484, 14192), (1696, 12418), (1774, 11872), (2968, 7096), (3392, 6209), (3548, 5936)]