21082016320

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:981

約数の個数: 224

約数和(自身を含む): 54058596480

約数和(自身を除く): 32976580160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 67, 80, 82, 116, 134, 145, 160, 164, 205, 232, 268, 290, 320, 328, 335, 410, 464, 536, 580, 656, 670, 820, 827, 928, 1072, 1160, 1189, 1312, 1340, 1640, 1654, 1856, 1943, 2144, 2320, 2378, 2624, 2680, 2747, 3280, 3308, 3886, 4135, 4288, 4640, 4756, 5360, 5494, 5945, 6560, 6616, 7772, 8270, 9280, 9512, 9715, 10720, 10988, 11890, 13120, 13232, 13735, 15544, 16540, 19024, 19430, 21440, 21976, 23780, 23983, 26464, 27470, 31088, 33080, 33907, 38048, 38860, 43952, 47560, 47966, 52928, 54940, 55409, 62176, 66160, 67814, 76096, 77720, 79663, 87904, 95120, 95932, 109880, 110818, 119915, 124352, 132320, 135628, 155440, 159326, 169535, 175808, 190240, 191864, 219760, 221636, 239830, 264640, 271256, 277045, 310880, 318652, 339070, 380480, 383728, 398315, 439520, 443272, 479660, 542512, 554090, 621760, 637304, 678140, 767456, 796630, 879040, 886544, 959320, 983303, 1085024, 1108180, 1274608, 1356280, 1534912, 1593260, 1606861, 1773088, 1918640, 1966606, 2170048, 2216360, 2271769, 2549216, 2712560, 3186520, 3213722, 3546176, 3837280, 3933212, 4432720, 4543538, 4916515, 5098432, 5425120, 6373040, 6427444, 7674560, 7866424, 8034305, 8865440, 9087076, 9833030, 10850240, 11358845, 12746080, 12854888, 15732848, 16068610, 17730880, 18174152, 19666060, 22717690, 25492160, 25709776, 31465696, 32137220, 36348304, 39332120, 45435380, 51419552, 62931392, 64274440, 65881301, 72696608, 78664240, 90870760, 102839104, 128548880, 131762602, 145393216, 157328480, 181741520, 257097760, 263525204, 314656960, 329406505, 363483040, 514195520, 527050408, 658813010, 726966080, 1054100816, 1317626020, 2108201632, 2635252040, 4216403264, 5270504080, 10541008160, 21082016320]

約数ペア:

[(1, 21082016320), (2, 10541008160), (4, 5270504080), (5, 4216403264), (8, 2635252040), (10, 2108201632), (16, 1317626020), (20, 1054100816), (29, 726966080), (32, 658813010), (40, 527050408), (41, 514195520), (58, 363483040), (64, 329406505), (67, 314656960), (80, 263525204), (82, 257097760), (116, 181741520), (134, 157328480), (145, 145393216), (160, 131762602), (164, 128548880), (205, 102839104), (232, 90870760), (268, 78664240), (290, 72696608), (320, 65881301), (328, 64274440), (335, 62931392), (410, 51419552), (464, 45435380), (536, 39332120), (580, 36348304), (656, 32137220), (670, 31465696), (820, 25709776), (827, 25492160), (928, 22717690), (1072, 19666060), (1160, 18174152), (1189, 17730880), (1312, 16068610), (1340, 15732848), (1640, 12854888), (1654, 12746080), (1856, 11358845), (1943, 10850240), (2144, 9833030), (2320, 9087076), (2378, 8865440), (2624, 8034305), (2680, 7866424), (2747, 7674560), (3280, 6427444), (3308, 6373040), (3886, 5425120), (4135, 5098432), (4288, 4916515), (4640, 4543538), (4756, 4432720), (5360, 3933212), (5494, 3837280), (5945, 3546176), (6560, 3213722), (6616, 3186520), (7772, 2712560), (8270, 2549216), (9280, 2271769), (9512, 2216360), (9715, 2170048), (10720, 1966606), (10988, 1918640), (11890, 1773088), (13120, 1606861), (13232, 1593260), (13735, 1534912), (15544, 1356280), (16540, 1274608), (19024, 1108180), (19430, 1085024), (21440, 983303), (21976, 959320), (23780, 886544), (23983, 879040), (26464, 796630), (27470, 767456), (31088, 678140), (33080, 637304), (33907, 621760), (38048, 554090), (38860, 542512), (43952, 479660), (47560, 443272), (47966, 439520), (52928, 398315), (54940, 383728), (55409, 380480), (62176, 339070), (66160, 318652), (67814, 310880), (76096, 277045), (77720, 271256), (79663, 264640), (87904, 239830), (95120, 221636), (95932, 219760), (109880, 191864), (110818, 190240), (119915, 175808), (124352, 169535), (132320, 159326), (135628, 155440)]