21662368

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 54020736

約数和(自身を除く): 32358368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 86, 91, 104, 112, 172, 173, 182, 208, 224, 301, 344, 346, 364, 416, 559, 602, 688, 692, 728, 1118, 1204, 1211, 1376, 1384, 1456, 2236, 2249, 2408, 2422, 2768, 2912, 3913, 4472, 4498, 4816, 4844, 5536, 7439, 7826, 8944, 8996, 9632, 9688, 14878, 15652, 15743, 17888, 17992, 19376, 29756, 31304, 31486, 35984, 38752, 52073, 59512, 62608, 62972, 71968, 96707, 104146, 119024, 125216, 125944, 193414, 208292, 238048, 251888, 386828, 416584, 503776, 676949, 773656, 833168, 1353898, 1547312, 1666336, 2707796, 3094624, 5415592, 10831184, 21662368]

約数ペア:

[(1, 21662368), (2, 10831184), (4, 5415592), (7, 3094624), (8, 2707796), (13, 1666336), (14, 1547312), (16, 1353898), (26, 833168), (28, 773656), (32, 676949), (43, 503776), (52, 416584), (56, 386828), (86, 251888), (91, 238048), (104, 208292), (112, 193414), (172, 125944), (173, 125216), (182, 119024), (208, 104146), (224, 96707), (301, 71968), (344, 62972), (346, 62608), (364, 59512), (416, 52073), (559, 38752), (602, 35984), (688, 31486), (692, 31304), (728, 29756), (1118, 19376), (1204, 17992), (1211, 17888), (1376, 15743), (1384, 15652), (1456, 14878), (2236, 9688), (2249, 9632), (2408, 8996), (2422, 8944), (2768, 7826), (2912, 7439), (3913, 5536), (4472, 4844), (4498, 4816)]