21606964

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2179}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 39431840

約数和(自身を除く): 17824876

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2179, 2479, 4358, 4958, 8716, 9916, 80623, 145993, 161246, 291986, 322492, 583972, 5401741, 10803482, 21606964]

約数ペア:

[(1, 21606964), (2, 10803482), (4, 5401741), (37, 583972), (67, 322492), (74, 291986), (134, 161246), (148, 145993), (268, 80623), (2179, 9916), (2479, 8716), (4358, 4958)]