21587368

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 46084500

約数和(自身を除く): 24497132

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 769, 968, 1276, 1538, 2552, 3076, 3509, 6152, 7018, 8459, 14036, 16918, 22301, 28072, 33836, 44602, 67672, 89204, 93049, 178408, 186098, 245311, 372196, 490622, 744392, 981244, 1962488, 2698421, 5396842, 10793684, 21587368]

約数ペア:

[(1, 21587368), (2, 10793684), (4, 5396842), (8, 2698421), (11, 1962488), (22, 981244), (29, 744392), (44, 490622), (58, 372196), (88, 245311), (116, 186098), (121, 178408), (232, 93049), (242, 89204), (319, 67672), (484, 44602), (638, 33836), (769, 28072), (968, 22301), (1276, 16918), (1538, 14036), (2552, 8459), (3076, 7018), (3509, 6152)]