21000339377

素因数分解:

${\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{3972071}}^1$

素因数の和:3972399

約数の個数: 8

約数和(自身を含む): 22307156352

約数和(自身を除く): 1306816975

約数列:

[1, 17, 311, 5287, 3972071, 67525207, 1235314081, 21000339377]

約数ペア:

[(1, 21000339377), (17, 1235314081), (311, 67525207), (5287, 3972071)]