21317909760

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{264359}}^1$

素因数の和:264393

約数の個数: 216

約数和(自身を含む): 84294887040

約数和(自身を除く): 62976977280

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 264359, 528718, 793077, 1057436, 1321795, 1586154, 1850513, 2114872, 2379231, 2643590, 3172308, 3701026, 3965385, 4229744, 4758462, 5287180, 5551539, 6344616, 7402052, 7930770, 8459488, 9252565, 9516924, 10574360, 11103078, 11896155, 12689232, 14804104, 15861540, 16654617, 16918976, 18505130, 19033848, 21148720, 22206156, 23792310, 25378464, 27757695, 29608208, 31723080, 33309234, 33837952, 37010260, 38067696, 42297440, 44412312, 47584620, 50756928, 55515390, 59216416, 63446160, 66618468, 67675904, 74020520, 76135392, 83273085, 84594880, 88824624, 95169240, 101513856, 111030780, 118432832, 126892320, 133236936, 148041040, 152270784, 166546170, 169189760, 177649248, 190338480, 203027712, 222061560, 236865664, 253784640, 266473872, 296082080, 304541568, 333092340, 338379520, 355298496, 380676960, 444123120, 473731328, 507569280, 532947744, 592164160, 609083136, 666184680, 710596992, 761353920, 888246240, 1015138560, 1065895488, 1184328320, 1332369360, 1421193984, 1522707840, 1776492480, 2131790976, 2368656640, 2664738720, 3045415680, 3552984960, 4263581952, 5329477440, 7105969920, 10658954880, 21317909760]

約数ペア:

[(1, 21317909760), (2, 10658954880), (3, 7105969920), (4, 5329477440), (5, 4263581952), (6, 3552984960), (7, 3045415680), (8, 2664738720), (9, 2368656640), (10, 2131790976), (12, 1776492480), (14, 1522707840), (15, 1421193984), (16, 1332369360), (18, 1184328320), (20, 1065895488), (21, 1015138560), (24, 888246240), (28, 761353920), (30, 710596992), (32, 666184680), (35, 609083136), (36, 592164160), (40, 532947744), (42, 507569280), (45, 473731328), (48, 444123120), (56, 380676960), (60, 355298496), (63, 338379520), (64, 333092340), (70, 304541568), (72, 296082080), (80, 266473872), (84, 253784640), (90, 236865664), (96, 222061560), (105, 203027712), (112, 190338480), (120, 177649248), (126, 169189760), (128, 166546170), (140, 152270784), (144, 148041040), (160, 133236936), (168, 126892320), (180, 118432832), (192, 111030780), (210, 101513856), (224, 95169240), (240, 88824624), (252, 84594880), (256, 83273085), (280, 76135392), (288, 74020520), (315, 67675904), (320, 66618468), (336, 63446160), (360, 59216416), (384, 55515390), (420, 50756928), (448, 47584620), (480, 44412312), (504, 42297440), (560, 38067696), (576, 37010260), (630, 33837952), (640, 33309234), (672, 31723080), (720, 29608208), (768, 27757695), (840, 25378464), (896, 23792310), (960, 22206156), (1008, 21148720), (1120, 19033848), (1152, 18505130), (1260, 16918976), (1280, 16654617), (1344, 15861540), (1440, 14804104), (1680, 12689232), (1792, 11896155), (1920, 11103078), (2016, 10574360), (2240, 9516924), (2304, 9252565), (2520, 8459488), (2688, 7930770), (2880, 7402052), (3360, 6344616), (3840, 5551539), (4032, 5287180), (4480, 4758462), (5040, 4229744), (5376, 3965385), (5760, 3701026), (6720, 3172308), (8064, 2643590), (8960, 2379231), (10080, 2114872), (11520, 1850513), (13440, 1586154), (16128, 1321795), (20160, 1057436), (26880, 793077), (40320, 528718), (80640, 264359)]