21081043009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1\times {\mathrm{28927}}^1$

素因数の和:29920

約数の個数: 16

約数和(自身を含む): 23100743680

約数和(自身を除く): 2019700671

約数列:

[1, 13, 61, 793, 919, 11947, 28927, 56059, 376051, 728767, 1764547, 22939111, 26583913, 345590869, 1621618693, 21081043009]

約数ペア:

[(1, 21081043009), (13, 1621618693), (61, 345590869), (793, 26583913), (919, 22939111), (11947, 1764547), (28927, 728767), (56059, 376051)]