21069945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36017}}^1$

素因数の和:36041

約数の個数: 24

約数和(自身を含む): 39331656

約数和(自身を除く): 18261711

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36017, 108051, 180085, 324153, 468221, 540255, 1404663, 1620765, 2341105, 4213989, 7023315, 21069945]

約数ペア:

[(1, 21069945), (3, 7023315), (5, 4213989), (9, 2341105), (13, 1620765), (15, 1404663), (39, 540255), (45, 468221), (65, 324153), (117, 180085), (195, 108051), (585, 36017)]