21415804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82368479}}^1$

素因数の和:82368501

約数の個数: 24

約数和(自身を含む): 48432666240

約数和(自身を除く): 27016861700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 82368479, 164736958, 329473916, 411842395, 823684790, 1070790227, 1647369580, 2141580454, 4283160908, 5353951135, 10707902270, 21415804540]

約数ペア:

[(1, 21415804540), (2, 10707902270), (4, 5353951135), (5, 4283160908), (10, 2141580454), (13, 1647369580), (20, 1070790227), (26, 823684790), (52, 411842395), (65, 329473916), (130, 164736958), (260, 82368479)]