21167704208

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:653

約数の個数: 160

約数和(自身を含む): 49259323392

約数和(自身を除く): 28091619184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 113, 124, 163, 217, 226, 248, 326, 331, 434, 452, 496, 652, 662, 791, 868, 904, 1141, 1304, 1324, 1582, 1736, 1808, 2282, 2317, 2608, 2648, 3164, 3472, 3503, 4564, 4634, 5053, 5296, 6328, 7006, 9128, 9268, 10106, 10261, 12656, 14012, 18256, 18419, 18536, 20212, 20522, 24521, 28024, 35371, 36838, 37072, 37403, 40424, 41044, 49042, 53953, 56048, 70742, 71827, 73676, 74806, 80848, 82088, 98084, 107906, 128933, 141484, 143654, 147352, 149612, 164176, 196168, 215812, 257866, 261821, 282968, 287308, 294704, 299224, 377671, 392336, 431624, 515732, 523642, 565936, 570989, 574616, 598448, 755342, 863248, 1031464, 1047284, 1141978, 1149232, 1159493, 1510684, 1672543, 2062928, 2094568, 2283956, 2318986, 3021368, 3345086, 3996923, 4189136, 4567912, 4637972, 6042736, 6096689, 6690172, 7993846, 8116451, 9135824, 9275944, 11707801, 12193378, 13380344, 15987692, 16232902, 18551888, 23415602, 24386756, 26760688, 31975384, 32465804, 42676823, 46831204, 48773512, 63950768, 64931608, 85353646, 93662408, 97547024, 129863216, 170707292, 187324816, 188997359, 341414584, 377994718, 682829168, 755989436, 1322981513, 1511978872, 2645963026, 3023957744, 5291926052, 10583852104, 21167704208]

約数ペア:

[(1, 21167704208), (2, 10583852104), (4, 5291926052), (7, 3023957744), (8, 2645963026), (14, 1511978872), (16, 1322981513), (28, 755989436), (31, 682829168), (56, 377994718), (62, 341414584), (112, 188997359), (113, 187324816), (124, 170707292), (163, 129863216), (217, 97547024), (226, 93662408), (248, 85353646), (326, 64931608), (331, 63950768), (434, 48773512), (452, 46831204), (496, 42676823), (652, 32465804), (662, 31975384), (791, 26760688), (868, 24386756), (904, 23415602), (1141, 18551888), (1304, 16232902), (1324, 15987692), (1582, 13380344), (1736, 12193378), (1808, 11707801), (2282, 9275944), (2317, 9135824), (2608, 8116451), (2648, 7993846), (3164, 6690172), (3472, 6096689), (3503, 6042736), (4564, 4637972), (4634, 4567912), (5053, 4189136), (5296, 3996923), (6328, 3345086), (7006, 3021368), (9128, 2318986), (9268, 2283956), (10106, 2094568), (10261, 2062928), (12656, 1672543), (14012, 1510684), (18256, 1159493), (18419, 1149232), (18536, 1141978), (20212, 1047284), (20522, 1031464), (24521, 863248), (28024, 755342), (35371, 598448), (36838, 574616), (37072, 570989), (37403, 565936), (40424, 523642), (41044, 515732), (49042, 431624), (53953, 392336), (56048, 377671), (70742, 299224), (71827, 294704), (73676, 287308), (74806, 282968), (80848, 261821), (82088, 257866), (98084, 215812), (107906, 196168), (128933, 164176), (141484, 149612), (143654, 147352)]