21634228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70241}}^1$

素因数の和:70263

約数の個数: 24

約数和(自身を含む): 47202624

約数和(自身を除く): 25568396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70241, 140482, 280964, 491687, 772651, 983374, 1545302, 1966748, 3090604, 5408557, 10817114, 21634228]

約数ペア:

[(1, 21634228), (2, 10817114), (4, 5408557), (7, 3090604), (11, 1966748), (14, 1545302), (22, 983374), (28, 772651), (44, 491687), (77, 280964), (154, 140482), (308, 70241)]