21148654655

素因数分解:

$5^1\times {\mathrm{311}}^1\times {\mathrm{1951}}^1\times {\mathrm{6971}}^1$

素因数の和:9238

約数の個数: 16

約数和(自身を含む): 25476691968

約数和(自身を除く): 4328037313

約数列:

[1, 5, 311, 1555, 1951, 6971, 9755, 34855, 606761, 2167981, 3033805, 10839905, 13600421, 68002105, 4229730931, 21148654655]

約数ペア:

[(1, 21148654655), (5, 4229730931), (311, 68002105), (1555, 13600421), (1951, 10839905), (6971, 3033805), (9755, 2167981), (34855, 606761)]