21889560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 256

約数和(自身を含む): 86261760

約数和(自身を除く): 64372200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 103, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 206, 210, 220, 230, 231, 253, 264, 276, 280, 308, 309, 322, 330, 345, 385, 412, 420, 440, 460, 462, 483, 506, 515, 552, 616, 618, 644, 660, 690, 721, 759, 770, 805, 824, 840, 920, 924, 966, 1012, 1030, 1133, 1155, 1236, 1265, 1288, 1320, 1380, 1442, 1518, 1540, 1545, 1610, 1771, 1848, 1932, 2024, 2060, 2163, 2266, 2310, 2369, 2415, 2472, 2530, 2760, 2884, 3036, 3080, 3090, 3220, 3399, 3542, 3605, 3795, 3864, 4120, 4326, 4532, 4620, 4738, 4830, 5060, 5313, 5665, 5768, 6072, 6180, 6440, 6798, 7084, 7107, 7210, 7590, 7931, 8652, 8855, 9064, 9240, 9476, 9660, 10120, 10626, 10815, 11330, 11845, 12360, 13596, 14168, 14214, 14420, 15180, 15862, 16583, 16995, 17304, 17710, 18952, 19320, 21252, 21630, 22660, 23690, 23793, 26059, 26565, 27192, 28428, 28840, 30360, 31724, 33166, 33990, 35420, 35535, 39655, 42504, 43260, 45320, 47380, 47586, 49749, 52118, 53130, 56856, 63448, 66332, 67980, 70840, 71070, 78177, 79310, 82915, 86520, 94760, 95172, 99498, 104236, 106260, 118965, 130295, 132664, 135960, 142140, 156354, 158620, 165830, 182413, 190344, 198996, 208472, 212520, 237930, 248745, 260590, 284280, 312708, 317240, 331660, 364826, 390885, 397992, 475860, 497490, 521180, 547239, 625416, 663320, 729652, 781770, 912065, 951720, 994980, 1042360, 1094478, 1459304, 1563540, 1824130, 1989960, 2188956, 2736195, 3127080, 3648260, 4377912, 5472390, 7296520, 10944780, 21889560]

約数ペア:

[(1, 21889560), (2, 10944780), (3, 7296520), (4, 5472390), (5, 4377912), (6, 3648260), (7, 3127080), (8, 2736195), (10, 2188956), (11, 1989960), (12, 1824130), (14, 1563540), (15, 1459304), (20, 1094478), (21, 1042360), (22, 994980), (23, 951720), (24, 912065), (28, 781770), (30, 729652), (33, 663320), (35, 625416), (40, 547239), (42, 521180), (44, 497490), (46, 475860), (55, 397992), (56, 390885), (60, 364826), (66, 331660), (69, 317240), (70, 312708), (77, 284280), (84, 260590), (88, 248745), (92, 237930), (103, 212520), (105, 208472), (110, 198996), (115, 190344), (120, 182413), (132, 165830), (138, 158620), (140, 156354), (154, 142140), (161, 135960), (165, 132664), (168, 130295), (184, 118965), (206, 106260), (210, 104236), (220, 99498), (230, 95172), (231, 94760), (253, 86520), (264, 82915), (276, 79310), (280, 78177), (308, 71070), (309, 70840), (322, 67980), (330, 66332), (345, 63448), (385, 56856), (412, 53130), (420, 52118), (440, 49749), (460, 47586), (462, 47380), (483, 45320), (506, 43260), (515, 42504), (552, 39655), (616, 35535), (618, 35420), (644, 33990), (660, 33166), (690, 31724), (721, 30360), (759, 28840), (770, 28428), (805, 27192), (824, 26565), (840, 26059), (920, 23793), (924, 23690), (966, 22660), (1012, 21630), (1030, 21252), (1133, 19320), (1155, 18952), (1236, 17710), (1265, 17304), (1288, 16995), (1320, 16583), (1380, 15862), (1442, 15180), (1518, 14420), (1540, 14214), (1545, 14168), (1610, 13596), (1771, 12360), (1848, 11845), (1932, 11330), (2024, 10815), (2060, 10626), (2163, 10120), (2266, 9660), (2310, 9476), (2369, 9240), (2415, 9064), (2472, 8855), (2530, 8652), (2760, 7931), (2884, 7590), (3036, 7210), (3080, 7107), (3090, 7084), (3220, 6798), (3399, 6440), (3542, 6180), (3605, 6072), (3795, 5768), (3864, 5665), (4120, 5313), (4326, 5060), (4532, 4830), (4620, 4738)]