21067124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21323}}^1$

素因数の和:21359

約数の個数: 24

約数和(自身を含む): 41795040

約数和(自身を除く): 20727916

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21323, 42646, 85292, 277199, 405137, 554398, 810274, 1108796, 1620548, 5266781, 10533562, 21067124]

約数ペア:

[(1, 21067124), (2, 10533562), (4, 5266781), (13, 1620548), (19, 1108796), (26, 810274), (38, 554398), (52, 405137), (76, 277199), (247, 85292), (494, 42646), (988, 21323)]