21591136

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 49067424

約数和(自身を除く): 27476288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 853, 904, 1582, 1706, 1808, 3164, 3412, 3616, 5971, 6328, 6824, 11942, 12656, 13648, 23884, 25312, 27296, 47768, 95536, 96389, 191072, 192778, 385556, 674723, 771112, 1349446, 1542224, 2698892, 3084448, 5397784, 10795568, 21591136]

約数ペア:

[(1, 21591136), (2, 10795568), (4, 5397784), (7, 3084448), (8, 2698892), (14, 1542224), (16, 1349446), (28, 771112), (32, 674723), (56, 385556), (112, 192778), (113, 191072), (224, 96389), (226, 95536), (452, 47768), (791, 27296), (853, 25312), (904, 23884), (1582, 13648), (1706, 12656), (1808, 11942), (3164, 6824), (3412, 6328), (3616, 5971)]