21000604832

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{1439}}^1$

素因数の和:1798

約数の個数: 96

約数和(自身を含む): 44351193600

約数和(自身を除く): 23350588768

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 193, 272, 278, 386, 544, 556, 772, 1112, 1439, 1544, 2224, 2363, 2878, 3088, 3281, 4448, 4726, 5756, 6176, 6562, 9452, 11512, 13124, 18904, 23024, 24463, 26248, 26827, 37808, 46048, 48926, 52496, 53654, 75616, 97852, 104992, 107308, 195704, 200021, 214616, 277727, 391408, 400042, 429232, 456059, 555454, 782816, 800084, 858464, 912118, 1110908, 1600168, 1824236, 2221816, 3200336, 3400357, 3648472, 4443632, 4721359, 6400672, 6800714, 7296944, 8887264, 9442718, 13601428, 14593888, 18885436, 27202856, 37770872, 38604053, 54405712, 75541744, 77208106, 108811424, 151083488, 154416212, 308832424, 617664848, 656268901, 1235329696, 1312537802, 2625075604, 5250151208, 10500302416, 21000604832]

約数ペア:

[(1, 21000604832), (2, 10500302416), (4, 5250151208), (8, 2625075604), (16, 1312537802), (17, 1235329696), (32, 656268901), (34, 617664848), (68, 308832424), (136, 154416212), (139, 151083488), (193, 108811424), (272, 77208106), (278, 75541744), (386, 54405712), (544, 38604053), (556, 37770872), (772, 27202856), (1112, 18885436), (1439, 14593888), (1544, 13601428), (2224, 9442718), (2363, 8887264), (2878, 7296944), (3088, 6800714), (3281, 6400672), (4448, 4721359), (4726, 4443632), (5756, 3648472), (6176, 3400357), (6562, 3200336), (9452, 2221816), (11512, 1824236), (13124, 1600168), (18904, 1110908), (23024, 912118), (24463, 858464), (26248, 800084), (26827, 782816), (37808, 555454), (46048, 456059), (48926, 429232), (52496, 400042), (53654, 391408), (75616, 277727), (97852, 214616), (104992, 200021), (107308, 195704)]