21095526138

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{13368521}}^1$

素因数の和:13368789

約数の個数: 16

約数和(自身を含む): 42351477696

約数和(自身を除く): 21255951558

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 13368521, 26737042, 40105563, 80211126, 3515921023, 7031842046, 10547763069, 21095526138]

約数ペア:

[(1, 21095526138), (2, 10547763069), (3, 7031842046), (6, 3515921023), (263, 80211126), (526, 40105563), (789, 26737042), (1578, 13368521)]