21042608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 42902016

約数和(自身を除く): 21859408

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 211, 271, 368, 422, 542, 844, 1084, 1688, 2168, 3376, 4336, 4853, 6233, 9706, 12466, 19412, 24932, 38824, 49864, 57181, 77648, 99728, 114362, 228724, 457448, 914896, 1315163, 2630326, 5260652, 10521304, 21042608]

約数ペア:

[(1, 21042608), (2, 10521304), (4, 5260652), (8, 2630326), (16, 1315163), (23, 914896), (46, 457448), (92, 228724), (184, 114362), (211, 99728), (271, 77648), (368, 57181), (422, 49864), (542, 38824), (844, 24932), (1084, 19412), (1688, 12466), (2168, 9706), (3376, 6233), (4336, 4853)]