21288987647

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1\times {\mathrm{14923}}^1$

素因数の和:17678

約数の個数: 16

約数和(自身を含む): 23278574592

約数和(自身を除く): 1989586945

約数列:

[1, 17, 31, 527, 2707, 14923, 46019, 83917, 253691, 462613, 1426589, 7864421, 40396561, 686741537, 1252293391, 21288987647]

約数ペア:

[(1, 21288987647), (17, 1252293391), (31, 686741537), (527, 40396561), (2707, 7864421), (14923, 1426589), (46019, 462613), (83917, 253691)]