21393302

素因数分解:

$2^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{521}}^1$

素因数の和:956

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 16096738

約数列:

[1, 2, 7, 14, 49, 98, 419, 521, 838, 1042, 2933, 3647, 5866, 7294, 20531, 25529, 41062, 51058, 218299, 436598, 1528093, 3056186, 10696651, 21393302]

約数ペア:

[(1, 21393302), (2, 10696651), (7, 3056186), (14, 1528093), (49, 436598), (98, 218299), (419, 51058), (521, 41062), (838, 25529), (1042, 20531), (2933, 7294), (3647, 5866)]