21875413

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{26261}}^1$

素因数の和:26292

約数の個数: 12

約数和(自身を含む): 26944812

約数和(自身を除く): 5069399

約数列:

[1, 7, 17, 49, 119, 833, 26261, 183827, 446437, 1286789, 3125059, 21875413]

約数ペア:

[(1, 21875413), (7, 3125059), (17, 1286789), (49, 446437), (119, 183827), (833, 26261)]