21673440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 78926400

約数和(自身を除く): 57252960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 173, 174, 180, 216, 232, 240, 261, 270, 288, 290, 346, 348, 360, 432, 435, 464, 480, 519, 522, 540, 580, 692, 696, 720, 783, 864, 865, 870, 928, 1038, 1044, 1080, 1160, 1305, 1384, 1392, 1440, 1557, 1566, 1730, 1740, 2076, 2088, 2160, 2320, 2595, 2610, 2768, 2784, 3114, 3132, 3460, 3480, 3915, 4152, 4176, 4320, 4640, 4671, 5017, 5190, 5220, 5536, 6228, 6264, 6920, 6960, 7785, 7830, 8304, 8352, 9342, 10034, 10380, 10440, 12456, 12528, 13840, 13920, 15051, 15570, 15660, 16608, 18684, 20068, 20760, 20880, 23355, 24912, 25056, 25085, 27680, 30102, 31140, 31320, 37368, 40136, 41520, 41760, 45153, 46710, 49824, 50170, 60204, 62280, 62640, 74736, 75255, 80272, 83040, 90306, 93420, 100340, 120408, 124560, 125280, 135459, 149472, 150510, 160544, 180612, 186840, 200680, 225765, 240816, 249120, 270918, 301020, 361224, 373680, 401360, 451530, 481632, 541836, 602040, 677295, 722448, 747360, 802720, 903060, 1083672, 1204080, 1354590, 1444896, 1806120, 2167344, 2408160, 2709180, 3612240, 4334688, 5418360, 7224480, 10836720, 21673440]

約数ペア:

[(1, 21673440), (2, 10836720), (3, 7224480), (4, 5418360), (5, 4334688), (6, 3612240), (8, 2709180), (9, 2408160), (10, 2167344), (12, 1806120), (15, 1444896), (16, 1354590), (18, 1204080), (20, 1083672), (24, 903060), (27, 802720), (29, 747360), (30, 722448), (32, 677295), (36, 602040), (40, 541836), (45, 481632), (48, 451530), (54, 401360), (58, 373680), (60, 361224), (72, 301020), (80, 270918), (87, 249120), (90, 240816), (96, 225765), (108, 200680), (116, 186840), (120, 180612), (135, 160544), (144, 150510), (145, 149472), (160, 135459), (173, 125280), (174, 124560), (180, 120408), (216, 100340), (232, 93420), (240, 90306), (261, 83040), (270, 80272), (288, 75255), (290, 74736), (346, 62640), (348, 62280), (360, 60204), (432, 50170), (435, 49824), (464, 46710), (480, 45153), (519, 41760), (522, 41520), (540, 40136), (580, 37368), (692, 31320), (696, 31140), (720, 30102), (783, 27680), (864, 25085), (865, 25056), (870, 24912), (928, 23355), (1038, 20880), (1044, 20760), (1080, 20068), (1160, 18684), (1305, 16608), (1384, 15660), (1392, 15570), (1440, 15051), (1557, 13920), (1566, 13840), (1730, 12528), (1740, 12456), (2076, 10440), (2088, 10380), (2160, 10034), (2320, 9342), (2595, 8352), (2610, 8304), (2768, 7830), (2784, 7785), (3114, 6960), (3132, 6920), (3460, 6264), (3480, 6228), (3915, 5536), (4152, 5220), (4176, 5190), (4320, 5017), (4640, 4671)]