21141211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4943}}^1$

素因数の和:5010

約数の個数: 16

約数和(自身を含む): 26578944

約数和(自身を除く): 5437733

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4943, 34601, 64259, 232321, 449813, 1626247, 3020173, 21141211]

約数ペア:

[(1, 21141211), (7, 3020173), (13, 1626247), (47, 449813), (91, 232321), (329, 64259), (611, 34601), (4277, 4943)]