21897003

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8101}}^1$

素因数の和:8174

約数の個数: 16

約数和(自身を含む): 31500576

約数和(自身を除く): 9603573

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 8101, 24303, 137717, 413151, 429353, 1288059, 7299001, 21897003]

約数ペア:

[(1, 21897003), (3, 7299001), (17, 1288059), (51, 429353), (53, 413151), (159, 137717), (901, 24303), (2703, 8101)]