21261158544

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{91009}}^1$

素因数の和:91208

約数の個数: 80

約数和(自身を含む): 57058173440

約数和(自身を除く): 35797014896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 157, 186, 248, 314, 372, 471, 496, 628, 744, 942, 1256, 1488, 1884, 2512, 3768, 4867, 7536, 9734, 14601, 19468, 29202, 38936, 58404, 77872, 91009, 116808, 182018, 233616, 273027, 364036, 546054, 728072, 1092108, 1456144, 2184216, 2821279, 4368432, 5642558, 8463837, 11285116, 14288413, 16927674, 22570232, 28576826, 33855348, 42865239, 45140464, 57153652, 67710696, 85730478, 114307304, 135421392, 171460956, 228614608, 342921912, 442940803, 685843824, 885881606, 1328822409, 1771763212, 2657644818, 3543526424, 5315289636, 7087052848, 10630579272, 21261158544]

約数ペア:

[(1, 21261158544), (2, 10630579272), (3, 7087052848), (4, 5315289636), (6, 3543526424), (8, 2657644818), (12, 1771763212), (16, 1328822409), (24, 885881606), (31, 685843824), (48, 442940803), (62, 342921912), (93, 228614608), (124, 171460956), (157, 135421392), (186, 114307304), (248, 85730478), (314, 67710696), (372, 57153652), (471, 45140464), (496, 42865239), (628, 33855348), (744, 28576826), (942, 22570232), (1256, 16927674), (1488, 14288413), (1884, 11285116), (2512, 8463837), (3768, 5642558), (4867, 4368432), (7536, 2821279), (9734, 2184216), (14601, 1456144), (19468, 1092108), (29202, 728072), (38936, 546054), (58404, 364036), (77872, 273027), (91009, 233616), (116808, 182018)]