21254864

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5801}}^1$

素因数の和:6038

約数の個数: 20

約数和(自身を含む): 41368260

約数和(自身を除く): 20113396

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5801, 11602, 23204, 46408, 92816, 1328429, 2656858, 5313716, 10627432, 21254864]

約数ペア:

[(1, 21254864), (2, 10627432), (4, 5313716), (8, 2656858), (16, 1328429), (229, 92816), (458, 46408), (916, 23204), (1832, 11602), (3664, 5801)]