21698974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{1609}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 35587440

約数和(自身を除く): 13888466

約数列:

[1, 2, 11, 22, 613, 1226, 1609, 3218, 6743, 13486, 17699, 35398, 986317, 1972634, 10849487, 21698974]

約数ペア:

[(1, 21698974), (2, 10849487), (11, 1972634), (22, 986317), (613, 35398), (1226, 17699), (1609, 13486), (3218, 6743)]