21000620143

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{9001}}^1$

素因数の和:9343

約数の個数: 24

約数和(自身を含む): 23212629216

約数和(自身を除く): 2212009073

約数列:

[1, 19, 23, 281, 361, 437, 5339, 6463, 8303, 9001, 101441, 122797, 171019, 207023, 2333143, 2529281, 3249361, 3933437, 48056339, 58173463, 74735303, 913070441, 1105295797, 21000620143]

約数ペア:

[(1, 21000620143), (19, 1105295797), (23, 913070441), (281, 74735303), (361, 58173463), (437, 48056339), (5339, 3933437), (6463, 3249361), (8303, 2529281), (9001, 2333143), (101441, 207023), (122797, 171019)]