21641040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 160

約数和(自身を含む): 76602240

約数和(自身を除く): 54961200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 233, 240, 258, 270, 344, 360, 387, 430, 432, 466, 516, 540, 645, 688, 699, 720, 774, 860, 932, 1032, 1080, 1161, 1165, 1290, 1398, 1548, 1720, 1864, 1935, 2064, 2097, 2160, 2322, 2330, 2580, 2796, 3096, 3440, 3495, 3728, 3870, 4194, 4644, 4660, 5160, 5592, 5805, 6192, 6291, 6990, 7740, 8388, 9288, 9320, 10019, 10320, 10485, 11184, 11610, 12582, 13980, 15480, 16776, 18576, 18640, 20038, 20970, 23220, 25164, 27960, 30057, 30960, 31455, 33552, 40076, 41940, 46440, 50095, 50328, 55920, 60114, 62910, 80152, 83880, 90171, 92880, 100190, 100656, 120228, 125820, 150285, 160304, 167760, 180342, 200380, 240456, 251640, 270513, 300570, 360684, 400760, 450855, 480912, 503280, 541026, 601140, 721368, 801520, 901710, 1082052, 1202280, 1352565, 1442736, 1803420, 2164104, 2404560, 2705130, 3606840, 4328208, 5410260, 7213680, 10820520, 21641040]

約数ペア:

[(1, 21641040), (2, 10820520), (3, 7213680), (4, 5410260), (5, 4328208), (6, 3606840), (8, 2705130), (9, 2404560), (10, 2164104), (12, 1803420), (15, 1442736), (16, 1352565), (18, 1202280), (20, 1082052), (24, 901710), (27, 801520), (30, 721368), (36, 601140), (40, 541026), (43, 503280), (45, 480912), (48, 450855), (54, 400760), (60, 360684), (72, 300570), (80, 270513), (86, 251640), (90, 240456), (108, 200380), (120, 180342), (129, 167760), (135, 160304), (144, 150285), (172, 125820), (180, 120228), (215, 100656), (216, 100190), (233, 92880), (240, 90171), (258, 83880), (270, 80152), (344, 62910), (360, 60114), (387, 55920), (430, 50328), (432, 50095), (466, 46440), (516, 41940), (540, 40076), (645, 33552), (688, 31455), (699, 30960), (720, 30057), (774, 27960), (860, 25164), (932, 23220), (1032, 20970), (1080, 20038), (1161, 18640), (1165, 18576), (1290, 16776), (1398, 15480), (1548, 13980), (1720, 12582), (1864, 11610), (1935, 11184), (2064, 10485), (2097, 10320), (2160, 10019), (2322, 9320), (2330, 9288), (2580, 8388), (2796, 7740), (3096, 6990), (3440, 6291), (3495, 6192), (3728, 5805), (3870, 5592), (4194, 5160), (4644, 4660)]