21964368

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 38746032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 48, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 464, 496, 509, 696, 744, 899, 1018, 1392, 1488, 1527, 1798, 2036, 2697, 3054, 3596, 4072, 5394, 6108, 7192, 8144, 10788, 12216, 14384, 14761, 15779, 21576, 24432, 29522, 31558, 43152, 44283, 47337, 59044, 63116, 88566, 94674, 118088, 126232, 177132, 189348, 236176, 252464, 354264, 378696, 457591, 708528, 757392, 915182, 1372773, 1830364, 2745546, 3660728, 5491092, 7321456, 10982184, 21964368]

約数ペア:

[(1, 21964368), (2, 10982184), (3, 7321456), (4, 5491092), (6, 3660728), (8, 2745546), (12, 1830364), (16, 1372773), (24, 915182), (29, 757392), (31, 708528), (48, 457591), (58, 378696), (62, 354264), (87, 252464), (93, 236176), (116, 189348), (124, 177132), (174, 126232), (186, 118088), (232, 94674), (248, 88566), (348, 63116), (372, 59044), (464, 47337), (496, 44283), (509, 43152), (696, 31558), (744, 29522), (899, 24432), (1018, 21576), (1392, 15779), (1488, 14761), (1527, 14384), (1798, 12216), (2036, 10788), (2697, 8144), (3054, 7192), (3596, 6108), (4072, 5394)]