21343742

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2371}}^1$

素因数の和:3023

約数の個数: 16

約数和(自身を含む): 36661632

約数和(自身を除く): 15317890

約数列:

[1, 2, 7, 14, 643, 1286, 2371, 4501, 4742, 9002, 16597, 33194, 1524553, 3049106, 10671871, 21343742]

約数ペア:

[(1, 21343742), (2, 10671871), (7, 3049106), (14, 1524553), (643, 33194), (1286, 16597), (2371, 9002), (4501, 4742)]