21439352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 25562248

約数列:

[1, 2, 4, 8, 11, 22, 29, 31, 44, 58, 62, 88, 116, 124, 232, 248, 271, 319, 341, 542, 638, 682, 899, 1084, 1276, 1364, 1798, 2168, 2552, 2728, 2981, 3596, 5962, 7192, 7859, 8401, 9889, 11924, 15718, 16802, 19778, 23848, 31436, 33604, 39556, 62872, 67208, 79112, 86449, 92411, 172898, 184822, 243629, 345796, 369644, 487258, 691592, 739288, 974516, 1949032, 2679919, 5359838, 10719676, 21439352]

約数ペア:

[(1, 21439352), (2, 10719676), (4, 5359838), (8, 2679919), (11, 1949032), (22, 974516), (29, 739288), (31, 691592), (44, 487258), (58, 369644), (62, 345796), (88, 243629), (116, 184822), (124, 172898), (232, 92411), (248, 86449), (271, 79112), (319, 67208), (341, 62872), (542, 39556), (638, 33604), (682, 31436), (899, 23848), (1084, 19778), (1276, 16802), (1364, 15718), (1798, 11924), (2168, 9889), (2552, 8401), (2728, 7859), (2981, 7192), (3596, 5962)]