21058886110

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19320079}}^1$

素因数の和:19320195

約数の個数: 16

約数和(自身を含む): 38253758400

約数和(自身を除く): 17194872290

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 19320079, 38640158, 96600395, 193200790, 2105888611, 4211777222, 10529443055, 21058886110]

約数ペア:

[(1, 21058886110), (2, 10529443055), (5, 4211777222), (10, 2105888611), (109, 193200790), (218, 96600395), (545, 38640158), (1090, 19320079)]