21144105

素因数分解:

$3^3\times 5^1\times {\mathrm{156623}}^1$

素因数の和:156637

約数の個数: 16

約数和(自身を含む): 37589760

約数和(自身を除く): 16445655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 156623, 469869, 783115, 1409607, 2349345, 4228821, 7048035, 21144105]

約数ペア:

[(1, 21144105), (3, 7048035), (5, 4228821), (9, 2349345), (15, 1409607), (27, 783115), (45, 469869), (135, 156623)]