21497743862

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{7277503}}^1$

素因数の和:7277723

約数の個数: 16

約数和(自身を含む): 37027940352

約数和(自身を除く): 15530196490

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 7277503, 14555006, 50942521, 101885042, 1535553133, 3071106266, 10748871931, 21497743862]

約数ペア:

[(1, 21497743862), (2, 10748871931), (7, 3071106266), (14, 1535553133), (211, 101885042), (422, 50942521), (1477, 14555006), (2954, 7277503)]