21143748

素因数分解:

$2^2\times 3^1\times {\mathrm{1031}}^1\times {\mathrm{1709}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 49412160

約数和(自身を除く): 28268412

約数列:

[1, 2, 3, 4, 6, 12, 1031, 1709, 2062, 3093, 3418, 4124, 5127, 6186, 6836, 10254, 12372, 20508, 1761979, 3523958, 5285937, 7047916, 10571874, 21143748]

約数ペア:

[(1, 21143748), (2, 10571874), (3, 7047916), (4, 5285937), (6, 3523958), (12, 1761979), (1031, 20508), (1709, 12372), (2062, 10254), (3093, 6836), (3418, 6186), (4124, 5127)]