21125688

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 34170312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 127, 174, 232, 239, 254, 348, 381, 478, 508, 696, 717, 762, 956, 1016, 1434, 1524, 1912, 2868, 3048, 3683, 5736, 6931, 7366, 11049, 13862, 14732, 20793, 22098, 27724, 29464, 30353, 41586, 44196, 55448, 60706, 83172, 88392, 91059, 121412, 166344, 182118, 242824, 364236, 728472, 880237, 1760474, 2640711, 3520948, 5281422, 7041896, 10562844, 21125688]

約数ペア:

[(1, 21125688), (2, 10562844), (3, 7041896), (4, 5281422), (6, 3520948), (8, 2640711), (12, 1760474), (24, 880237), (29, 728472), (58, 364236), (87, 242824), (116, 182118), (127, 166344), (174, 121412), (232, 91059), (239, 88392), (254, 83172), (348, 60706), (381, 55448), (478, 44196), (508, 41586), (696, 30353), (717, 29464), (762, 27724), (956, 22098), (1016, 20793), (1434, 14732), (1524, 13862), (1912, 11049), (2868, 7366), (3048, 6931), (3683, 5736)]