21791467401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1026979}}^1$

素因数の和:1027636

約数の個数: 16

約数和(自身を含む): 31746005760

約数和(自身を除く): 9954538359

約数列:

[1, 3, 11, 33, 643, 1929, 7073, 21219, 1026979, 3080937, 11296769, 33890307, 660347497, 1981042491, 7263822467, 21791467401]

約数ペア:

[(1, 21791467401), (3, 7263822467), (11, 1981042491), (33, 660347497), (643, 33890307), (1929, 11296769), (7073, 3080937), (21219, 1026979)]