21813120

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{541}}^1$

素因数の和:573

約数の個数: 192

約数和(自身を含む): 86243040

約数和(自身を除く): 64429920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 541, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1082, 1120, 1152, 1260, 1344, 1440, 1623, 1680, 1920, 2016, 2164, 2240, 2520, 2688, 2705, 2880, 3246, 3360, 3787, 4032, 4328, 4480, 4869, 5040, 5410, 5760, 6492, 6720, 7574, 8064, 8115, 8656, 9738, 10080, 10820, 11361, 12984, 13440, 15148, 16230, 17312, 18935, 19476, 20160, 21640, 22722, 24345, 25968, 30296, 32460, 34083, 34624, 37870, 38952, 40320, 43280, 45444, 48690, 51936, 56805, 60592, 64920, 68166, 69248, 75740, 77904, 86560, 90888, 97380, 103872, 113610, 121184, 129840, 136332, 151480, 155808, 170415, 173120, 181776, 194760, 207744, 227220, 242368, 259680, 272664, 302960, 311616, 340830, 346240, 363552, 389520, 454440, 484736, 519360, 545328, 605920, 623232, 681660, 727104, 779040, 908880, 1038720, 1090656, 1211840, 1363320, 1454208, 1558080, 1817760, 2181312, 2423680, 2726640, 3116160, 3635520, 4362624, 5453280, 7271040, 10906560, 21813120]

約数ペア:

[(1, 21813120), (2, 10906560), (3, 7271040), (4, 5453280), (5, 4362624), (6, 3635520), (7, 3116160), (8, 2726640), (9, 2423680), (10, 2181312), (12, 1817760), (14, 1558080), (15, 1454208), (16, 1363320), (18, 1211840), (20, 1090656), (21, 1038720), (24, 908880), (28, 779040), (30, 727104), (32, 681660), (35, 623232), (36, 605920), (40, 545328), (42, 519360), (45, 484736), (48, 454440), (56, 389520), (60, 363552), (63, 346240), (64, 340830), (70, 311616), (72, 302960), (80, 272664), (84, 259680), (90, 242368), (96, 227220), (105, 207744), (112, 194760), (120, 181776), (126, 173120), (128, 170415), (140, 155808), (144, 151480), (160, 136332), (168, 129840), (180, 121184), (192, 113610), (210, 103872), (224, 97380), (240, 90888), (252, 86560), (280, 77904), (288, 75740), (315, 69248), (320, 68166), (336, 64920), (360, 60592), (384, 56805), (420, 51936), (448, 48690), (480, 45444), (504, 43280), (541, 40320), (560, 38952), (576, 37870), (630, 34624), (640, 34083), (672, 32460), (720, 30296), (840, 25968), (896, 24345), (960, 22722), (1008, 21640), (1082, 20160), (1120, 19476), (1152, 18935), (1260, 17312), (1344, 16230), (1440, 15148), (1623, 13440), (1680, 12984), (1920, 11361), (2016, 10820), (2164, 10080), (2240, 9738), (2520, 8656), (2688, 8115), (2705, 8064), (2880, 7574), (3246, 6720), (3360, 6492), (3787, 5760), (4032, 5410), (4328, 5040), (4480, 4869)]