21091036

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4597}}^1$

素因数の和:4669

約数の個数: 24

約数和(自身を含む): 39138176

約数和(自身を除く): 18047140

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4588, 4597, 9194, 18388, 142507, 170089, 285014, 340178, 570028, 680356, 5272759, 10545518, 21091036]

約数ペア:

[(1, 21091036), (2, 10545518), (4, 5272759), (31, 680356), (37, 570028), (62, 340178), (74, 285014), (124, 170089), (148, 142507), (1147, 18388), (2294, 9194), (4588, 4597)]