21177142

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3593}}^1$

素因数の和:4023

約数の個数: 16

約数和(自身を含む): 36400032

約数和(自身を除く): 15222890

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3593, 5894, 7186, 25151, 50302, 1512653, 3025306, 10588571, 21177142]

約数ペア:

[(1, 21177142), (2, 10588571), (7, 3025306), (14, 1512653), (421, 50302), (842, 25151), (2947, 7186), (3593, 5894)]