21177312

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39786528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 71, 78, 96, 104, 142, 156, 208, 213, 239, 284, 312, 416, 426, 478, 568, 624, 717, 852, 923, 956, 1136, 1248, 1434, 1704, 1846, 1912, 2272, 2769, 2868, 3107, 3408, 3692, 3824, 5538, 5736, 6214, 6816, 7384, 7648, 9321, 11076, 11472, 12428, 14768, 16969, 18642, 22152, 22944, 24856, 29536, 33938, 37284, 44304, 49712, 50907, 67876, 74568, 88608, 99424, 101814, 135752, 149136, 203628, 220597, 271504, 298272, 407256, 441194, 543008, 661791, 814512, 882388, 1323582, 1629024, 1764776, 2647164, 3529552, 5294328, 7059104, 10588656, 21177312]

約数ペア:

[(1, 21177312), (2, 10588656), (3, 7059104), (4, 5294328), (6, 3529552), (8, 2647164), (12, 1764776), (13, 1629024), (16, 1323582), (24, 882388), (26, 814512), (32, 661791), (39, 543008), (48, 441194), (52, 407256), (71, 298272), (78, 271504), (96, 220597), (104, 203628), (142, 149136), (156, 135752), (208, 101814), (213, 99424), (239, 88608), (284, 74568), (312, 67876), (416, 50907), (426, 49712), (478, 44304), (568, 37284), (624, 33938), (717, 29536), (852, 24856), (923, 22944), (956, 22152), (1136, 18642), (1248, 16969), (1434, 14768), (1704, 12428), (1846, 11472), (1912, 11076), (2272, 9321), (2769, 7648), (2868, 7384), (3107, 6816), (3408, 6214), (3692, 5736), (3824, 5538)]