21499898

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22921}}^1$

素因数の和:22997

約数の個数: 16

約数和(自身を含む): 37408704

約数和(自身を除く): 15908806

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22921, 45842, 160447, 320894, 1535707, 3071414, 10749949, 21499898]

約数ペア:

[(1, 21499898), (2, 10749949), (7, 3071414), (14, 1535707), (67, 320894), (134, 160447), (469, 45842), (938, 22921)]