21713276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21977}}^1$

素因数の和:22013

約数の個数: 24

約数和(自身を含む): 43076880

約数和(自身を除く): 21363604

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21977, 43954, 87908, 285701, 417563, 571402, 835126, 1142804, 1670252, 5428319, 10856638, 21713276]

約数ペア:

[(1, 21713276), (2, 10856638), (4, 5428319), (13, 1670252), (19, 1142804), (26, 835126), (38, 571402), (52, 417563), (76, 285701), (247, 87908), (494, 43954), (988, 21977)]