21297070

素因数分解:

$2^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{3691}}^1$

素因数の和:4275

約数の個数: 16

約数和(自身を含む): 38411568

約数和(自身を除く): 17114498

約数列:

[1, 2, 5, 10, 577, 1154, 2885, 3691, 5770, 7382, 18455, 36910, 2129707, 4259414, 10648535, 21297070]

約数ペア:

[(1, 21297070), (2, 10648535), (5, 4259414), (10, 2129707), (577, 36910), (1154, 18455), (2885, 7382), (3691, 5770)]