21000762320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{4211}}^1$

素因数の和:4453

約数の個数: 160

約数和(自身を含む): 54714890880

約数和(自身を除く): 33714128560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 193, 272, 304, 323, 340, 380, 386, 646, 680, 760, 772, 965, 1292, 1360, 1520, 1544, 1615, 1930, 2584, 3088, 3230, 3281, 3667, 3860, 4211, 5168, 6460, 6562, 7334, 7720, 8422, 12920, 13124, 14668, 15440, 16405, 16844, 18335, 21055, 25840, 26248, 29336, 32810, 33688, 36670, 42110, 52496, 58672, 62339, 65620, 67376, 71587, 73340, 80009, 84220, 124678, 131240, 143174, 146680, 160018, 168440, 249356, 262480, 286348, 293360, 311695, 320036, 336880, 357935, 400045, 498712, 572696, 623390, 640072, 715870, 800090, 812723, 997424, 1145392, 1246780, 1280144, 1360153, 1431740, 1600180, 1625446, 2493560, 2720306, 2863480, 3200360, 3250892, 4063615, 4987120, 5440612, 5726960, 6400720, 6501784, 6800765, 8127230, 10881224, 13003568, 13601530, 13816291, 15441737, 16254460, 21762448, 27203060, 27632582, 30883474, 32508920, 54406120, 55265164, 61766948, 65017840, 69081455, 77208685, 108812240, 110530328, 123533896, 138162910, 154417370, 221060656, 247067792, 262509529, 276325820, 308834740, 525019058, 552651640, 617669480, 1050038116, 1105303280, 1235338960, 1312547645, 2100076232, 2625095290, 4200152464, 5250190580, 10500381160, 21000762320]

約数ペア:

[(1, 21000762320), (2, 10500381160), (4, 5250190580), (5, 4200152464), (8, 2625095290), (10, 2100076232), (16, 1312547645), (17, 1235338960), (19, 1105303280), (20, 1050038116), (34, 617669480), (38, 552651640), (40, 525019058), (68, 308834740), (76, 276325820), (80, 262509529), (85, 247067792), (95, 221060656), (136, 154417370), (152, 138162910), (170, 123533896), (190, 110530328), (193, 108812240), (272, 77208685), (304, 69081455), (323, 65017840), (340, 61766948), (380, 55265164), (386, 54406120), (646, 32508920), (680, 30883474), (760, 27632582), (772, 27203060), (965, 21762448), (1292, 16254460), (1360, 15441737), (1520, 13816291), (1544, 13601530), (1615, 13003568), (1930, 10881224), (2584, 8127230), (3088, 6800765), (3230, 6501784), (3281, 6400720), (3667, 5726960), (3860, 5440612), (4211, 4987120), (5168, 4063615), (6460, 3250892), (6562, 3200360), (7334, 2863480), (7720, 2720306), (8422, 2493560), (12920, 1625446), (13124, 1600180), (14668, 1431740), (15440, 1360153), (16405, 1280144), (16844, 1246780), (18335, 1145392), (21055, 997424), (25840, 812723), (26248, 800090), (29336, 715870), (32810, 640072), (33688, 623390), (36670, 572696), (42110, 498712), (52496, 400045), (58672, 357935), (62339, 336880), (65620, 320036), (67376, 311695), (71587, 293360), (73340, 286348), (80009, 262480), (84220, 249356), (124678, 168440), (131240, 160018), (143174, 146680)]