21426156939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4357567}}^1$

素因数の和:4357730

約数の個数: 16

約数和(自身を含む): 31374489600

約数和(自身を除く): 9948332661

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4917, 4357567, 13072701, 47933237, 143799711, 649277483, 1947832449, 7142052313, 21426156939]

約数ペア:

[(1, 21426156939), (3, 7142052313), (11, 1947832449), (33, 649277483), (149, 143799711), (447, 47933237), (1639, 13072701), (4917, 4357567)]