21598720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:106

約数の個数: 160

約数和(自身を含む): 61871040

約数和(自身を除く): 40272320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 59, 64, 65, 80, 88, 104, 110, 118, 128, 130, 143, 160, 176, 208, 220, 236, 256, 260, 286, 295, 320, 352, 416, 440, 472, 512, 520, 572, 590, 640, 649, 704, 715, 767, 832, 880, 944, 1040, 1144, 1180, 1280, 1298, 1408, 1430, 1534, 1664, 1760, 1888, 2080, 2288, 2360, 2560, 2596, 2816, 2860, 3068, 3245, 3328, 3520, 3776, 3835, 4160, 4576, 4720, 5192, 5632, 5720, 6136, 6490, 6656, 7040, 7552, 7670, 8320, 8437, 9152, 9440, 10384, 11440, 12272, 12980, 14080, 15104, 15340, 16640, 16874, 18304, 18880, 20768, 22880, 24544, 25960, 28160, 30208, 30680, 33280, 33748, 36608, 37760, 41536, 42185, 45760, 49088, 51920, 61360, 67496, 73216, 75520, 83072, 84370, 91520, 98176, 103840, 122720, 134992, 151040, 166144, 168740, 183040, 196352, 207680, 245440, 269984, 332288, 337480, 366080, 392704, 415360, 490880, 539968, 674960, 830720, 981760, 1079936, 1349920, 1661440, 1963520, 2159872, 2699840, 4319744, 5399680, 10799360, 21598720]

約数ペア:

[(1, 21598720), (2, 10799360), (4, 5399680), (5, 4319744), (8, 2699840), (10, 2159872), (11, 1963520), (13, 1661440), (16, 1349920), (20, 1079936), (22, 981760), (26, 830720), (32, 674960), (40, 539968), (44, 490880), (52, 415360), (55, 392704), (59, 366080), (64, 337480), (65, 332288), (80, 269984), (88, 245440), (104, 207680), (110, 196352), (118, 183040), (128, 168740), (130, 166144), (143, 151040), (160, 134992), (176, 122720), (208, 103840), (220, 98176), (236, 91520), (256, 84370), (260, 83072), (286, 75520), (295, 73216), (320, 67496), (352, 61360), (416, 51920), (440, 49088), (472, 45760), (512, 42185), (520, 41536), (572, 37760), (590, 36608), (640, 33748), (649, 33280), (704, 30680), (715, 30208), (767, 28160), (832, 25960), (880, 24544), (944, 22880), (1040, 20768), (1144, 18880), (1180, 18304), (1280, 16874), (1298, 16640), (1408, 15340), (1430, 15104), (1534, 14080), (1664, 12980), (1760, 12272), (1888, 11440), (2080, 10384), (2288, 9440), (2360, 9152), (2560, 8437), (2596, 8320), (2816, 7670), (2860, 7552), (3068, 7040), (3245, 6656), (3328, 6490), (3520, 6136), (3776, 5720), (3835, 5632), (4160, 5192), (4576, 4720)]