21031396080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{15601}}^1$

素因数の和:15795

約数の個数: 160

約数和(自身を含む): 67279318848

約数和(自身を除く): 46247922768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 137, 164, 205, 240, 246, 274, 328, 410, 411, 492, 548, 615, 656, 685, 820, 822, 984, 1096, 1230, 1370, 1640, 1644, 1968, 2055, 2192, 2460, 2740, 3280, 3288, 4110, 4920, 5480, 5617, 6576, 8220, 9840, 10960, 11234, 15601, 16440, 16851, 22468, 28085, 31202, 32880, 33702, 44936, 46803, 56170, 62404, 67404, 78005, 84255, 89872, 93606, 112340, 124808, 134808, 156010, 168510, 187212, 224680, 234015, 249616, 269616, 312020, 337020, 374424, 449360, 468030, 624040, 639641, 674040, 748848, 936060, 1248080, 1279282, 1348080, 1872120, 1918923, 2137337, 2558564, 3198205, 3744240, 3837846, 4274674, 5117128, 6396410, 6412011, 7675692, 8549348, 9594615, 10234256, 10686685, 12792820, 12824022, 15351384, 17098696, 19189230, 21373370, 25585640, 25648044, 30702768, 32060055, 34197392, 38378460, 42746740, 51171280, 51296088, 64120110, 76756920, 85493480, 87630817, 102592176, 128240220, 153513840, 170986960, 175261634, 256480440, 262892451, 350523268, 438154085, 512960880, 525784902, 701046536, 876308170, 1051569804, 1314462255, 1402093072, 1752616340, 2103139608, 2628924510, 3505232680, 4206279216, 5257849020, 7010465360, 10515698040, 21031396080]

約数ペア:

[(1, 21031396080), (2, 10515698040), (3, 7010465360), (4, 5257849020), (5, 4206279216), (6, 3505232680), (8, 2628924510), (10, 2103139608), (12, 1752616340), (15, 1402093072), (16, 1314462255), (20, 1051569804), (24, 876308170), (30, 701046536), (40, 525784902), (41, 512960880), (48, 438154085), (60, 350523268), (80, 262892451), (82, 256480440), (120, 175261634), (123, 170986960), (137, 153513840), (164, 128240220), (205, 102592176), (240, 87630817), (246, 85493480), (274, 76756920), (328, 64120110), (410, 51296088), (411, 51171280), (492, 42746740), (548, 38378460), (615, 34197392), (656, 32060055), (685, 30702768), (820, 25648044), (822, 25585640), (984, 21373370), (1096, 19189230), (1230, 17098696), (1370, 15351384), (1640, 12824022), (1644, 12792820), (1968, 10686685), (2055, 10234256), (2192, 9594615), (2460, 8549348), (2740, 7675692), (3280, 6412011), (3288, 6396410), (4110, 5117128), (4920, 4274674), (5480, 3837846), (5617, 3744240), (6576, 3198205), (8220, 2558564), (9840, 2137337), (10960, 1918923), (11234, 1872120), (15601, 1348080), (16440, 1279282), (16851, 1248080), (22468, 936060), (28085, 748848), (31202, 674040), (32880, 639641), (33702, 624040), (44936, 468030), (46803, 449360), (56170, 374424), (62404, 337020), (67404, 312020), (78005, 269616), (84255, 249616), (89872, 234015), (93606, 224680), (112340, 187212), (124808, 168510), (134808, 156010)]