21091862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50459}}^1$

素因数の和:50491

約数の個数: 16

約数和(自身を含む): 36331200

約数和(自身を除く): 15239338

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50459, 100918, 555049, 958721, 1110098, 1917442, 10545931, 21091862]

約数ペア:

[(1, 21091862), (2, 10545931), (11, 1917442), (19, 1110098), (22, 958721), (38, 555049), (209, 100918), (418, 50459)]