21546811

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1806

約数の個数: 16

約数和(自身を含む): 25613280

約数和(自身を除く): 4066469

約数列:

[1, 11, 13, 89, 143, 979, 1157, 1693, 12727, 18623, 22009, 150677, 242099, 1657447, 1958801, 21546811]

約数ペア:

[(1, 21546811), (11, 1958801), (13, 1657447), (89, 242099), (143, 150677), (979, 22009), (1157, 18623), (1693, 12727)]