21816228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259717}}^1$

素因数の和:259731

約数の個数: 24

約数和(自身を含む): 58176832

約数和(自身を除く): 36360604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259717, 519434, 779151, 1038868, 1558302, 1818019, 3116604, 3636038, 5454057, 7272076, 10908114, 21816228]

約数ペア:

[(1, 21816228), (2, 10908114), (3, 7272076), (4, 5454057), (6, 3636038), (7, 3116604), (12, 1818019), (14, 1558302), (21, 1038868), (28, 779151), (42, 519434), (84, 259717)]