21603846

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{327331}}^1$

素因数の和:327347

約数の個数: 16

約数和(自身を含む): 47135808

約数和(自身を除く): 25531962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 327331, 654662, 981993, 1963986, 3600641, 7201282, 10801923, 21603846]

約数ペア:

[(1, 21603846), (2, 10801923), (3, 7201282), (6, 3600641), (11, 1963986), (22, 981993), (33, 654662), (66, 327331)]