21729312

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:84

約数の個数: 144

約数和(自身を含む): 71154720

約数和(自身を除く): 49425408

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 32, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 96, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 288, 304, 342, 352, 361, 396, 418, 456, 528, 608, 627, 684, 722, 792, 836, 912, 1056, 1083, 1254, 1368, 1444, 1584, 1672, 1824, 1881, 2166, 2508, 2736, 2888, 3168, 3249, 3344, 3762, 3971, 4332, 5016, 5472, 5776, 6498, 6688, 6859, 7524, 7942, 8664, 10032, 11552, 11913, 12996, 13718, 15048, 15884, 17328, 20064, 20577, 23826, 25992, 27436, 30096, 31768, 34656, 35739, 41154, 47652, 51984, 54872, 60192, 61731, 63536, 71478, 75449, 82308, 95304, 103968, 109744, 123462, 127072, 142956, 150898, 164616, 190608, 219488, 226347, 246924, 285912, 301796, 329232, 381216, 452694, 493848, 571824, 603592, 658464, 679041, 905388, 987696, 1143648, 1207184, 1358082, 1810776, 1975392, 2414368, 2716164, 3621552, 5432328, 7243104, 10864656, 21729312]

約数ペア:

[(1, 21729312), (2, 10864656), (3, 7243104), (4, 5432328), (6, 3621552), (8, 2716164), (9, 2414368), (11, 1975392), (12, 1810776), (16, 1358082), (18, 1207184), (19, 1143648), (22, 987696), (24, 905388), (32, 679041), (33, 658464), (36, 603592), (38, 571824), (44, 493848), (48, 452694), (57, 381216), (66, 329232), (72, 301796), (76, 285912), (88, 246924), (96, 226347), (99, 219488), (114, 190608), (132, 164616), (144, 150898), (152, 142956), (171, 127072), (176, 123462), (198, 109744), (209, 103968), (228, 95304), (264, 82308), (288, 75449), (304, 71478), (342, 63536), (352, 61731), (361, 60192), (396, 54872), (418, 51984), (456, 47652), (528, 41154), (608, 35739), (627, 34656), (684, 31768), (722, 30096), (792, 27436), (836, 25992), (912, 23826), (1056, 20577), (1083, 20064), (1254, 17328), (1368, 15884), (1444, 15048), (1584, 13718), (1672, 12996), (1824, 11913), (1881, 11552), (2166, 10032), (2508, 8664), (2736, 7942), (2888, 7524), (3168, 6859), (3249, 6688), (3344, 6498), (3762, 5776), (3971, 5472), (4332, 5016)]