21675944

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{87403}}^1$

素因数の和:87440

約数の個数: 16

約数和(自身を含む): 41953920

約数和(自身を除く): 20277976

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 87403, 174806, 349612, 699224, 2709493, 5418986, 10837972, 21675944]

約数ペア:

[(1, 21675944), (2, 10837972), (4, 5418986), (8, 2709493), (31, 699224), (62, 349612), (124, 174806), (248, 87403)]