21000655234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{39791}}^1$

素因数の和:40242

約数の個数: 32

約数和(自身を含む): 34655330304

約数和(自身を除く): 13654675070

約数列:

[1, 2, 13, 26, 53, 106, 383, 689, 766, 1378, 4979, 9958, 20299, 39791, 40598, 79582, 263887, 517283, 527774, 1034566, 2108923, 4217846, 15239953, 27415999, 30479906, 54831998, 198119389, 396238778, 807717509, 1615435018, 10500327617, 21000655234]

約数ペア:

[(1, 21000655234), (2, 10500327617), (13, 1615435018), (26, 807717509), (53, 396238778), (106, 198119389), (383, 54831998), (689, 30479906), (766, 27415999), (1378, 15239953), (4979, 4217846), (9958, 2108923), (20299, 1034566), (39791, 527774), (40598, 517283), (79582, 263887)]