21964064.000000000

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6389

約数の個数: 168

約数和(自身を含む): 881198136

約数和(自身を除く): 643341816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 6353, 7488, 9360, 12480, 12706, 18720, 19059, 25412, 31765, 37440, 38118, 50824, 57177, 63530, 76236, 82589, 95295, 101648, 114354, 127060, 152472, 165178, 190590, 203296, 228708, 247767, 254120, 285885, 304944, 330356, 381180, 406592, 412945, 457416, 495534, 508240, 571770, 609888, 660712, 743301, 762360, 825890, 914832, 991068, 1016480, 1143540, 1219776, 1238835, 1321424, 1486602, 1524720, 1651780, 1829664, 1982136, 2032960, 2287080, 2477670, 2642848, 2973204, 3049440, 3303560, 3659328, 3716505, 3964272, 4574160, 4955340, 5285696, 5946408, 6098880, 6607120, 7433010, 7928544, 9148320, 9910680, 11892816, 13214240, 14866020, 15857088, 18296640, 19821360, 23785632, 26428480, 29732040, 39642720, 47571264, 59464080, 79285440, 118928160, 237856320]

約数ペア:

[(1, 237856320), (2, 118928160), (3, 79285440), (4, 59464080), (5, 47571264), (6, 39642720), (8, 29732040), (9, 26428480), (10, 23785632), (12, 19821360), (13, 18296640), (15, 15857088), (16, 14866020), (18, 13214240), (20, 11892816), (24, 9910680), (26, 9148320), (30, 7928544), (32, 7433010), (36, 6607120), (39, 6098880), (40, 5946408), (45, 5285696), (48, 4955340), (52, 4574160), (60, 3964272), (64, 3716505), (65, 3659328), (72, 3303560), (78, 3049440), (80, 2973204), (90, 2642848), (96, 2477670), (104, 2287080), (117, 2032960), (120, 1982136), (130, 1829664), (144, 1651780), (156, 1524720), (160, 1486602), (180, 1321424), (192, 1238835), (195, 1219776), (208, 1143540), (234, 1016480), (240, 991068), (260, 914832), (288, 825890), (312, 762360), (320, 743301), (360, 660712), (390, 609888), (416, 571770), (468, 508240), (480, 495534), (520, 457416), (576, 412945), (585, 406592), (624, 381180), (720, 330356), (780, 304944), (832, 285885), (936, 254120), (960, 247767), (1040, 228708), (1170, 203296), (1248, 190590), (1440, 165178), (1560, 152472), (1872, 127060), (2080, 114354), (2340, 101648), (2496, 95295), (2880, 82589), (3120, 76236), (3744, 63530), (4160, 57177), (4680, 50824), (6240, 38118), (6353, 37440), (7488, 31765), (9360, 25412), (12480, 19059), (12706, 18720)]