21603359127

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1635503}}^1$

素因数の和:1635567

約数の個数: 32

約数和(自身を含む): 35797911552

約数和(自身を除く): 14194552425

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 4403, 13209, 1635503, 4906509, 11448521, 27803551, 34345563, 60513611, 83410653, 181540833, 194624857, 423595277, 583874571, 1028731387, 1270785831, 3086194161, 7201119709, 21603359127]

約数ペア:

[(1, 21603359127), (3, 7201119709), (7, 3086194161), (17, 1270785831), (21, 1028731387), (37, 583874571), (51, 423595277), (111, 194624857), (119, 181540833), (259, 83410653), (357, 60513611), (629, 34345563), (777, 27803551), (1887, 11448521), (4403, 4906509), (13209, 1635503)]