21127555681

素因数分解:

${\mathrm{17}}^4\times {\mathrm{131}}^1\times {\mathrm{1931}}^1$

素因数の和:2130

約数の個数: 20

約数和(自身を含む): 22631084784

約数和(自身を除く): 1503529103

約数列:

[1, 17, 131, 289, 1931, 2227, 4913, 32827, 37859, 83521, 252961, 558059, 643603, 4300337, 9487003, 10941251, 73105729, 161279051, 1242797393, 21127555681]

約数ペア:

[(1, 21127555681), (17, 1242797393), (131, 161279051), (289, 73105729), (1931, 10941251), (2227, 9487003), (4913, 4300337), (32827, 643603), (37859, 558059), (83521, 252961)]