21132426

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71879}}^1$

素因数の和:71898

約数の個数: 24

約数和(自身を含む): 49165920

約数和(自身を除く): 28033494

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71879, 143758, 215637, 431274, 503153, 1006306, 1509459, 3018918, 3522071, 7044142, 10566213, 21132426]

約数ペア:

[(1, 21132426), (2, 10566213), (3, 7044142), (6, 3522071), (7, 3018918), (14, 1509459), (21, 1006306), (42, 503153), (49, 431274), (98, 215637), (147, 143758), (294, 71879)]