21162240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:205

約数の個数: 216

約数和(自身を含む): 80353728

約数和(自身を除く): 59191488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 167, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 334, 352, 360, 384, 396, 440, 480, 495, 501, 528, 576, 640, 660, 668, 704, 720, 768, 792, 835, 880, 960, 990, 1002, 1056, 1152, 1280, 1320, 1336, 1408, 1440, 1503, 1584, 1670, 1760, 1837, 1920, 1980, 2004, 2112, 2304, 2505, 2640, 2672, 2816, 2880, 3006, 3168, 3340, 3520, 3674, 3840, 3960, 4008, 4224, 5010, 5280, 5344, 5511, 5760, 6012, 6336, 6680, 7040, 7348, 7515, 7920, 8016, 8448, 9185, 10020, 10560, 10688, 11022, 11520, 12024, 12672, 13360, 14080, 14696, 15030, 15840, 16032, 16533, 18370, 20040, 21120, 21376, 22044, 24048, 25344, 26720, 27555, 29392, 30060, 31680, 32064, 33066, 36740, 40080, 42240, 42752, 44088, 48096, 53440, 55110, 58784, 60120, 63360, 64128, 66132, 73480, 80160, 82665, 88176, 96192, 106880, 110220, 117568, 120240, 126720, 128256, 132264, 146960, 160320, 165330, 176352, 192384, 213760, 220440, 235136, 240480, 264528, 293920, 320640, 330660, 352704, 384768, 440880, 470272, 480960, 529056, 587840, 641280, 661320, 705408, 881760, 961920, 1058112, 1175680, 1322640, 1410816, 1763520, 1923840, 2116224, 2351360, 2645280, 3527040, 4232448, 5290560, 7054080, 10581120, 21162240]

約数ペア:

[(1, 21162240), (2, 10581120), (3, 7054080), (4, 5290560), (5, 4232448), (6, 3527040), (8, 2645280), (9, 2351360), (10, 2116224), (11, 1923840), (12, 1763520), (15, 1410816), (16, 1322640), (18, 1175680), (20, 1058112), (22, 961920), (24, 881760), (30, 705408), (32, 661320), (33, 641280), (36, 587840), (40, 529056), (44, 480960), (45, 470272), (48, 440880), (55, 384768), (60, 352704), (64, 330660), (66, 320640), (72, 293920), (80, 264528), (88, 240480), (90, 235136), (96, 220440), (99, 213760), (110, 192384), (120, 176352), (128, 165330), (132, 160320), (144, 146960), (160, 132264), (165, 128256), (167, 126720), (176, 120240), (180, 117568), (192, 110220), (198, 106880), (220, 96192), (240, 88176), (256, 82665), (264, 80160), (288, 73480), (320, 66132), (330, 64128), (334, 63360), (352, 60120), (360, 58784), (384, 55110), (396, 53440), (440, 48096), (480, 44088), (495, 42752), (501, 42240), (528, 40080), (576, 36740), (640, 33066), (660, 32064), (668, 31680), (704, 30060), (720, 29392), (768, 27555), (792, 26720), (835, 25344), (880, 24048), (960, 22044), (990, 21376), (1002, 21120), (1056, 20040), (1152, 18370), (1280, 16533), (1320, 16032), (1336, 15840), (1408, 15030), (1440, 14696), (1503, 14080), (1584, 13360), (1670, 12672), (1760, 12024), (1837, 11520), (1920, 11022), (1980, 10688), (2004, 10560), (2112, 10020), (2304, 9185), (2505, 8448), (2640, 8016), (2672, 7920), (2816, 7515), (2880, 7348), (3006, 7040), (3168, 6680), (3340, 6336), (3520, 6012), (3674, 5760), (3840, 5511), (3960, 5344), (4008, 5280), (4224, 5010)]