21167994869

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{17389}}^1\times {\mathrm{7561}}^1$

素因数の和:24980

約数の個数: 16

約数和(自身を含む): 25248610560

約数和(自身を除く): 4080615691

約数列:

[1, 7, 23, 161, 7561, 17389, 52927, 121723, 173903, 399947, 1217321, 2799629, 131478229, 920347603, 3023999267, 21167994869]

約数ペア:

[(1, 21167994869), (7, 3023999267), (23, 920347603), (161, 131478229), (7561, 2799629), (17389, 1217321), (52927, 399947), (121723, 173903)]