21167249440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{21557}}^1$

素因数の和:21627

約数の個数: 144

約数和(自身を含む): 55885320792

約数和(自身を除く): 34718071352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 361, 380, 544, 608, 646, 680, 722, 760, 1292, 1360, 1444, 1520, 1615, 1805, 2584, 2720, 2888, 3040, 3230, 3610, 5168, 5776, 6137, 6460, 7220, 10336, 11552, 12274, 12920, 14440, 21557, 24548, 25840, 28880, 30685, 43114, 49096, 51680, 57760, 61370, 86228, 98192, 107785, 122740, 172456, 196384, 215570, 245480, 344912, 366469, 409583, 431140, 490960, 689824, 732938, 819166, 862280, 981920, 1465876, 1638332, 1724560, 1832345, 2047915, 2931752, 3276664, 3449120, 3664690, 4095830, 5863504, 6553328, 6962911, 7329380, 7782077, 8191660, 11727008, 13106656, 13925822, 14658760, 15564154, 16383320, 27851644, 29317520, 31128308, 32766640, 34814555, 38910385, 55703288, 58635040, 62256616, 65533280, 69629110, 77820770, 111406576, 124513232, 132295309, 139258220, 155641540, 222813152, 249026464, 264590618, 278516440, 311283080, 529181236, 557032880, 622566160, 661476545, 1058362472, 1114065760, 1245132320, 1322953090, 2116724944, 2645906180, 4233449888, 5291812360, 10583624720, 21167249440]

約数ペア:

[(1, 21167249440), (2, 10583624720), (4, 5291812360), (5, 4233449888), (8, 2645906180), (10, 2116724944), (16, 1322953090), (17, 1245132320), (19, 1114065760), (20, 1058362472), (32, 661476545), (34, 622566160), (38, 557032880), (40, 529181236), (68, 311283080), (76, 278516440), (80, 264590618), (85, 249026464), (95, 222813152), (136, 155641540), (152, 139258220), (160, 132295309), (170, 124513232), (190, 111406576), (272, 77820770), (304, 69629110), (323, 65533280), (340, 62256616), (361, 58635040), (380, 55703288), (544, 38910385), (608, 34814555), (646, 32766640), (680, 31128308), (722, 29317520), (760, 27851644), (1292, 16383320), (1360, 15564154), (1444, 14658760), (1520, 13925822), (1615, 13106656), (1805, 11727008), (2584, 8191660), (2720, 7782077), (2888, 7329380), (3040, 6962911), (3230, 6553328), (3610, 5863504), (5168, 4095830), (5776, 3664690), (6137, 3449120), (6460, 3276664), (7220, 2931752), (10336, 2047915), (11552, 1832345), (12274, 1724560), (12920, 1638332), (14440, 1465876), (21557, 981920), (24548, 862280), (25840, 819166), (28880, 732938), (30685, 689824), (43114, 490960), (49096, 431140), (51680, 409583), (57760, 366469), (61370, 344912), (86228, 245480), (98192, 215570), (107785, 196384), (122740, 172456)]