21708354

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{212827}}^1$

素因数の和:212849

約数の個数: 16

約数和(自身を含む): 45970848

約数和(自身を除く): 24262494

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 212827, 425654, 638481, 1276962, 3618059, 7236118, 10854177, 21708354]

約数ペア:

[(1, 21708354), (2, 10854177), (3, 7236118), (6, 3618059), (17, 1276962), (34, 638481), (51, 425654), (102, 212827)]