21650072

素因数分解:

$2^3\times {\mathrm{487}}^1\times {\mathrm{5557}}^1$

素因数の和:6050

約数の個数: 16

約数和(自身を含む): 40684560

約数和(自身を除く): 19034488

約数列:

[1, 2, 4, 8, 487, 974, 1948, 3896, 5557, 11114, 22228, 44456, 2706259, 5412518, 10825036, 21650072]

約数ペア:

[(1, 21650072), (2, 10825036), (4, 5412518), (8, 2706259), (487, 44456), (974, 22228), (1948, 11114), (3896, 5557)]