21709096

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7517}}^1$

素因数の和:7561

約数の個数: 24

約数和(自身を含む): 42965370

約数和(自身を除く): 21256274

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7517, 15034, 30068, 60136, 142823, 285646, 571292, 1142584, 2713637, 5427274, 10854548, 21709096]

約数ペア:

[(1, 21709096), (2, 10854548), (4, 5427274), (8, 2713637), (19, 1142584), (38, 571292), (76, 285646), (152, 142823), (361, 60136), (722, 30068), (1444, 15034), (2888, 7517)]