21253373377

素因数分解:

${\mathrm{61}}^2\times {\mathrm{71}}^1\times {\mathrm{80447}}^1$

素因数の和:80640

約数の個数: 12

約数和(自身を含む): 21912104448

約数和(自身を除く): 658731071

約数列:

[1, 61, 71, 3721, 4331, 80447, 264191, 4907267, 5711737, 299343287, 348415957, 21253373377]

約数ペア:

[(1, 21253373377), (61, 348415957), (71, 299343287), (3721, 5711737), (4331, 4907267), (80447, 264191)]