21657168

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 120

約数和(自身を含む): 68245632

約数和(自身を除く): 46588464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 503, 552, 598, 624, 828, 897, 936, 1006, 1104, 1196, 1509, 1656, 1794, 1872, 2012, 2392, 2691, 3018, 3312, 3588, 4024, 4527, 4784, 5382, 6036, 6539, 7176, 8048, 9054, 10764, 11569, 12072, 13078, 14352, 18108, 19617, 21528, 23138, 24144, 26156, 34707, 36216, 39234, 43056, 46276, 52312, 58851, 69414, 72432, 78468, 92552, 104121, 104624, 117702, 138828, 150397, 156936, 185104, 208242, 235404, 277656, 300794, 313872, 416484, 451191, 470808, 555312, 601588, 832968, 902382, 941616, 1203176, 1353573, 1665936, 1804764, 2406352, 2707146, 3609528, 5414292, 7219056, 10828584, 21657168]

約数ペア:

[(1, 21657168), (2, 10828584), (3, 7219056), (4, 5414292), (6, 3609528), (8, 2707146), (9, 2406352), (12, 1804764), (13, 1665936), (16, 1353573), (18, 1203176), (23, 941616), (24, 902382), (26, 832968), (36, 601588), (39, 555312), (46, 470808), (48, 451191), (52, 416484), (69, 313872), (72, 300794), (78, 277656), (92, 235404), (104, 208242), (117, 185104), (138, 156936), (144, 150397), (156, 138828), (184, 117702), (207, 104624), (208, 104121), (234, 92552), (276, 78468), (299, 72432), (312, 69414), (368, 58851), (414, 52312), (468, 46276), (503, 43056), (552, 39234), (598, 36216), (624, 34707), (828, 26156), (897, 24144), (936, 23138), (1006, 21528), (1104, 19617), (1196, 18108), (1509, 14352), (1656, 13078), (1794, 12072), (1872, 11569), (2012, 10764), (2392, 9054), (2691, 8048), (3018, 7176), (3312, 6539), (3588, 6036), (4024, 5382), (4527, 4784)]