21574994

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11587}}^1$

素因数の和:11622

約数の個数: 24

約数和(自身を含む): 39630960

約数和(自身を除く): 18055966

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11587, 23174, 81109, 162218, 220153, 440306, 567763, 1135526, 1541071, 3082142, 10787497, 21574994]

約数ペア:

[(1, 21574994), (2, 10787497), (7, 3082142), (14, 1541071), (19, 1135526), (38, 567763), (49, 440306), (98, 220153), (133, 162218), (266, 81109), (931, 23174), (1862, 11587)]