21649292

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20897}}^1$

素因数の和:20945

約数の個数: 24

約数和(自身を含む): 44470944

約数和(自身を除く): 22821652

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20897, 41794, 83588, 146279, 292558, 585116, 773189, 1546378, 3092756, 5412323, 10824646, 21649292]

約数ペア:

[(1, 21649292), (2, 10824646), (4, 5412323), (7, 3092756), (14, 1546378), (28, 773189), (37, 585116), (74, 292558), (148, 146279), (259, 83588), (518, 41794), (1036, 20897)]