21499128

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 69696000

約数和(自身を除く): 48196872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 59, 63, 72, 84, 108, 118, 126, 168, 177, 189, 216, 236, 241, 252, 354, 378, 413, 472, 482, 504, 531, 708, 723, 756, 826, 964, 1062, 1239, 1416, 1446, 1512, 1593, 1652, 1687, 1928, 2124, 2169, 2478, 2892, 3186, 3304, 3374, 3717, 4248, 4338, 4956, 5061, 5784, 6372, 6507, 6748, 7434, 8676, 9912, 10122, 11151, 12744, 13014, 13496, 14219, 14868, 15183, 17352, 20244, 22302, 26028, 28438, 29736, 30366, 40488, 42657, 44604, 45549, 52056, 56876, 60732, 85314, 89208, 91098, 99533, 113752, 121464, 127971, 170628, 182196, 199066, 255942, 298599, 341256, 364392, 383913, 398132, 511884, 597198, 767826, 796264, 895797, 1023768, 1194396, 1535652, 1791594, 2388792, 2687391, 3071304, 3583188, 5374782, 7166376, 10749564, 21499128]

約数ペア:

[(1, 21499128), (2, 10749564), (3, 7166376), (4, 5374782), (6, 3583188), (7, 3071304), (8, 2687391), (9, 2388792), (12, 1791594), (14, 1535652), (18, 1194396), (21, 1023768), (24, 895797), (27, 796264), (28, 767826), (36, 597198), (42, 511884), (54, 398132), (56, 383913), (59, 364392), (63, 341256), (72, 298599), (84, 255942), (108, 199066), (118, 182196), (126, 170628), (168, 127971), (177, 121464), (189, 113752), (216, 99533), (236, 91098), (241, 89208), (252, 85314), (354, 60732), (378, 56876), (413, 52056), (472, 45549), (482, 44604), (504, 42657), (531, 40488), (708, 30366), (723, 29736), (756, 28438), (826, 26028), (964, 22302), (1062, 20244), (1239, 17352), (1416, 15183), (1446, 14868), (1512, 14219), (1593, 13496), (1652, 13014), (1687, 12744), (1928, 11151), (2124, 10122), (2169, 9912), (2478, 8676), (2892, 7434), (3186, 6748), (3304, 6507), (3374, 6372), (3717, 5784), (4248, 5061), (4338, 4956)]