21926513

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4021}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 27027840

約数和(自身を除く): 5101327

約数列:

[1, 7, 19, 41, 133, 287, 779, 4021, 5453, 28147, 76399, 164861, 534793, 1154027, 3132359, 21926513]

約数ペア:

[(1, 21926513), (7, 3132359), (19, 1154027), (41, 534793), (133, 164861), (287, 76399), (779, 28147), (4021, 5453)]