21248982

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25117}}^1$

素因数の和:25172

約数の個数: 24

約数和(自身を含む): 47020896

約数和(自身を除く): 25771914

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25117, 50234, 75351, 150702, 226053, 452106, 1180499, 2360998, 3541497, 7082994, 10624491, 21248982]

約数ペア:

[(1, 21248982), (2, 10624491), (3, 7082994), (6, 3541497), (9, 2360998), (18, 1180499), (47, 452106), (94, 226053), (141, 150702), (282, 75351), (423, 50234), (846, 25117)]