21337603203

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2413483}}^1$

素因数の和:2413914

約数の個数: 16

約数和(自身を含む): 32591687936

約数和(自身を除く): 11254084733

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 2413483, 7240449, 16894381, 50683143, 1016076343, 3048229029, 7112534401, 21337603203]

約数ペア:

[(1, 21337603203), (3, 7112534401), (7, 3048229029), (21, 1016076343), (421, 50683143), (1263, 16894381), (2947, 7240449), (8841, 2413483)]