21502836

素因数分解:

$2^2\times 3^2\times {\mathrm{597301}}^1$

素因数の和:597311

約数の個数: 18

約数和(自身を含む): 54354482

約数和(自身を除く): 32851646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 597301, 1194602, 1791903, 2389204, 3583806, 5375709, 7167612, 10751418, 21502836]

約数ペア:

[(1, 21502836), (2, 10751418), (3, 7167612), (4, 5375709), (6, 3583806), (9, 2389204), (12, 1791903), (18, 1194602), (36, 597301)]