21069088

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 43593984

約数和(自身を除く): 22524896

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 67, 124, 134, 248, 268, 317, 496, 536, 634, 992, 1072, 1268, 2077, 2144, 2536, 4154, 5072, 8308, 9827, 10144, 16616, 19654, 21239, 33232, 39308, 42478, 66464, 78616, 84956, 157232, 169912, 314464, 339824, 658409, 679648, 1316818, 2633636, 5267272, 10534544, 21069088]

約数ペア:

[(1, 21069088), (2, 10534544), (4, 5267272), (8, 2633636), (16, 1316818), (31, 679648), (32, 658409), (62, 339824), (67, 314464), (124, 169912), (134, 157232), (248, 84956), (268, 78616), (317, 66464), (496, 42478), (536, 39308), (634, 33232), (992, 21239), (1072, 19654), (1268, 16616), (2077, 10144), (2144, 9827), (2536, 8308), (4154, 5072)]