21804472

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9431}}^1$

素因数の和:9471

約数の個数: 24

約数和(自身を含む): 43434360

約数和(自身を除く): 21629888

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9431, 18862, 37724, 75448, 160327, 320654, 641308, 1282616, 2725559, 5451118, 10902236, 21804472]

約数ペア:

[(1, 21804472), (2, 10902236), (4, 5451118), (8, 2725559), (17, 1282616), (34, 641308), (68, 320654), (136, 160327), (289, 75448), (578, 37724), (1156, 18862), (2312, 9431)]