21728868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258677}}^1$

素因数の和:258691

約数の個数: 24

約数和(自身を含む): 57943872

約数和(自身を除く): 36215004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258677, 517354, 776031, 1034708, 1552062, 1810739, 3104124, 3621478, 5432217, 7242956, 10864434, 21728868]

約数ペア:

[(1, 21728868), (2, 10864434), (3, 7242956), (4, 5432217), (6, 3621478), (7, 3104124), (12, 1810739), (14, 1552062), (21, 1034708), (28, 776031), (42, 517354), (84, 258677)]