21863248

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 48684384

約数和(自身を除く): 26821136

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 484, 491, 506, 968, 982, 1012, 1936, 1964, 2024, 2783, 3928, 4048, 5401, 5566, 7856, 10802, 11132, 11293, 21604, 22264, 22586, 43208, 44528, 45172, 59411, 86416, 90344, 118822, 124223, 180688, 237644, 248446, 475288, 496892, 950576, 993784, 1366453, 1987568, 2732906, 5465812, 10931624, 21863248]

約数ペア:

[(1, 21863248), (2, 10931624), (4, 5465812), (8, 2732906), (11, 1987568), (16, 1366453), (22, 993784), (23, 950576), (44, 496892), (46, 475288), (88, 248446), (92, 237644), (121, 180688), (176, 124223), (184, 118822), (242, 90344), (253, 86416), (368, 59411), (484, 45172), (491, 44528), (506, 43208), (968, 22586), (982, 22264), (1012, 21604), (1936, 11293), (1964, 11132), (2024, 10802), (2783, 7856), (3928, 5566), (4048, 5401)]