21737210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2707}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 43284672

約数和(自身を除く): 21547462

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2707, 4015, 5414, 8030, 13535, 27070, 29777, 59554, 148885, 197611, 297770, 395222, 988055, 1976110, 2173721, 4347442, 10868605, 21737210]

約数ペア:

[(1, 21737210), (2, 10868605), (5, 4347442), (10, 2173721), (11, 1976110), (22, 988055), (55, 395222), (73, 297770), (110, 197611), (146, 148885), (365, 59554), (730, 29777), (803, 27070), (1606, 13535), (2707, 8030), (4015, 5414)]