21470648

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9551}}^1$

素因数の和:9838

約数の個数: 16

約数和(自身を含む): 40404960

約数和(自身を除く): 18934312

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9551, 19102, 38204, 76408, 2683831, 5367662, 10735324, 21470648]

約数ペア:

[(1, 21470648), (2, 10735324), (4, 5367662), (8, 2683831), (281, 76408), (562, 38204), (1124, 19102), (2248, 9551)]