21425932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2447}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 19700468

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2447, 4378, 4894, 8756, 9788, 26917, 53834, 107668, 486953, 973906, 1947812, 5356483, 10712966, 21425932]

約数ペア:

[(1, 21425932), (2, 10712966), (4, 5356483), (11, 1947812), (22, 973906), (44, 486953), (199, 107668), (398, 53834), (796, 26917), (2189, 9788), (2447, 8756), (4378, 4894)]