21856554021

素因数分解:

$3^1\times {\mathrm{439}}^1\times {\mathrm{2749}}^1\times {\mathrm{6037}}^1$

素因数の和:9228

約数の個数: 16

約数和(自身を含む): 29223920000

約数和(自身を除く): 7367365979

約数列:

[1, 3, 439, 1317, 2749, 6037, 8247, 18111, 1206811, 2650243, 3620433, 7950729, 16595713, 49787139, 7285518007, 21856554021]

約数ペア:

[(1, 21856554021), (3, 7285518007), (439, 49787139), (1317, 16595713), (2749, 7950729), (6037, 3620433), (8247, 2650243), (18111, 1206811)]