21137112004

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{1231}}^1\times {\mathrm{16703}}^1$

素因数の和:18195

約数の個数: 24

約数和(自身を含む): 37166266368

約数和(自身を除く): 16029154364

約数列:

[1, 2, 4, 257, 514, 1028, 1231, 2462, 4924, 16703, 33406, 66812, 316367, 632734, 1265468, 4292671, 8585342, 17170684, 20561393, 41122786, 82245572, 5284278001, 10568556002, 21137112004]

約数ペア:

[(1, 21137112004), (2, 10568556002), (4, 5284278001), (257, 82245572), (514, 41122786), (1028, 20561393), (1231, 17170684), (2462, 8585342), (4924, 4292671), (16703, 1265468), (33406, 632734), (66812, 316367)]