21715678977

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4784243}}^1$

素因数の和:4784352

約数の個数: 16

約数和(自身を含む): 31001901120

約数和(自身を除く): 9286222143

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4784243, 14352729, 81332131, 243996393, 425797627, 1277392881, 7238559659, 21715678977]

約数ペア:

[(1, 21715678977), (3, 7238559659), (17, 1277392881), (51, 425797627), (89, 243996393), (267, 81332131), (1513, 14352729), (4539, 4784243)]