21342076

素因数分解:

$2^2\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1321}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 42790496

約数和(自身を除く): 21448420

約数列:

[1, 2, 4, 7, 14, 28, 577, 1154, 1321, 2308, 2642, 4039, 5284, 8078, 9247, 16156, 18494, 36988, 762217, 1524434, 3048868, 5335519, 10671038, 21342076]

約数ペア:

[(1, 21342076), (2, 10671038), (4, 5335519), (7, 3048868), (14, 1524434), (28, 762217), (577, 36988), (1154, 18494), (1321, 16156), (2308, 9247), (2642, 8078), (4039, 5284)]