21497012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3271}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 39578112

約数和(自身を除く): 18081100

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 3271, 3286, 6542, 6572, 13084, 101401, 173363, 202802, 346726, 405604, 693452, 5374253, 10748506, 21497012]

約数ペア:

[(1, 21497012), (2, 10748506), (4, 5374253), (31, 693452), (53, 405604), (62, 346726), (106, 202802), (124, 173363), (212, 101401), (1643, 13084), (3271, 6572), (3286, 6542)]