21052898

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7723}}^1$

素因数の和:7801

約数の個数: 16

約数和(自身を含む): 33367680

約数和(自身を除く): 12314782

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7723, 15446, 223967, 362981, 447934, 725962, 10526449, 21052898]

約数ペア:

[(1, 21052898), (2, 10526449), (29, 725962), (47, 447934), (58, 362981), (94, 223967), (1363, 15446), (2726, 7723)]