21879756

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{4079}}^1$

素因数の和:4238

約数の個数: 36

約数和(自身を含む): 55692000

約数和(自身を除く): 33812244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 4079, 5364, 8158, 12237, 16316, 24474, 36711, 48948, 73422, 146844, 607771, 1215542, 1823313, 2431084, 3646626, 5469939, 7293252, 10939878, 21879756]

約数ペア:

[(1, 21879756), (2, 10939878), (3, 7293252), (4, 5469939), (6, 3646626), (9, 2431084), (12, 1823313), (18, 1215542), (36, 607771), (149, 146844), (298, 73422), (447, 48948), (596, 36711), (894, 24474), (1341, 16316), (1788, 12237), (2682, 8158), (4079, 5364)]