21000638858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14936443}}^1$

素因数の和:14936501

約数の個数: 16

約数和(自身を含む): 34055092320

約数和(自身を除く): 13054453462

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14936443, 29872886, 283792417, 552648391, 567584834, 1105296782, 10500319429, 21000638858]

約数ペア:

[(1, 21000638858), (2, 10500319429), (19, 1105296782), (37, 567584834), (38, 552648391), (74, 283792417), (703, 29872886), (1406, 14936443)]