21460624

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{1993}}^1$

素因数の和:2674

約数の個数: 20

約数和(自身を含む): 41662636

約数和(自身を除く): 20202012

約数列:

[1, 2, 4, 8, 16, 673, 1346, 1993, 2692, 3986, 5384, 7972, 10768, 15944, 31888, 1341289, 2682578, 5365156, 10730312, 21460624]

約数ペア:

[(1, 21460624), (2, 10730312), (4, 5365156), (8, 2682578), (16, 1341289), (673, 31888), (1346, 15944), (1993, 10768), (2692, 7972), (3986, 5384)]