21999744

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 69157530

約数和(自身を除く): 47157786

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 113, 117, 128, 144, 156, 169, 192, 208, 226, 234, 288, 312, 338, 339, 384, 416, 452, 468, 507, 576, 624, 676, 678, 832, 904, 936, 1014, 1017, 1152, 1248, 1352, 1356, 1469, 1521, 1664, 1808, 1872, 2028, 2034, 2496, 2704, 2712, 2938, 3042, 3616, 3744, 4056, 4068, 4407, 4992, 5408, 5424, 5876, 6084, 7232, 7488, 8112, 8136, 8814, 10816, 10848, 11752, 12168, 13221, 14464, 14976, 16224, 16272, 17628, 19097, 21632, 21696, 23504, 24336, 26442, 32448, 32544, 35256, 38194, 43392, 47008, 48672, 52884, 57291, 64896, 65088, 70512, 76388, 94016, 97344, 105768, 114582, 130176, 141024, 152776, 171873, 188032, 194688, 211536, 229164, 282048, 305552, 343746, 423072, 458328, 564096, 611104, 687492, 846144, 916656, 1222208, 1374984, 1692288, 1833312, 2444416, 2749968, 3666624, 5499936, 7333248, 10999872, 21999744]

約数ペア:

[(1, 21999744), (2, 10999872), (3, 7333248), (4, 5499936), (6, 3666624), (8, 2749968), (9, 2444416), (12, 1833312), (13, 1692288), (16, 1374984), (18, 1222208), (24, 916656), (26, 846144), (32, 687492), (36, 611104), (39, 564096), (48, 458328), (52, 423072), (64, 343746), (72, 305552), (78, 282048), (96, 229164), (104, 211536), (113, 194688), (117, 188032), (128, 171873), (144, 152776), (156, 141024), (169, 130176), (192, 114582), (208, 105768), (226, 97344), (234, 94016), (288, 76388), (312, 70512), (338, 65088), (339, 64896), (384, 57291), (416, 52884), (452, 48672), (468, 47008), (507, 43392), (576, 38194), (624, 35256), (676, 32544), (678, 32448), (832, 26442), (904, 24336), (936, 23504), (1014, 21696), (1017, 21632), (1152, 19097), (1248, 17628), (1352, 16272), (1356, 16224), (1469, 14976), (1521, 14464), (1664, 13221), (1808, 12168), (1872, 11752), (2028, 10848), (2034, 10816), (2496, 8814), (2704, 8136), (2712, 8112), (2938, 7488), (3042, 7232), (3616, 6084), (3744, 5876), (4056, 5424), (4068, 5408), (4407, 4992)]